Google fakes the number of results it finds?

How is this possible? It seems they lie, or over exaggerate (by about 10,000 times) the amount of results they find, here's a few examples. http://www.google.co.uk/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&q=%22I+was+born+in+1931%22&aq=f&aqi=&aql=f&oq= About 561,000 results (0.06... show more How is this possible? It seems they lie, or over exaggerate (by about 10,000 times) the amount of results they find, here's a few examples.

http://www.google.co.uk/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&q=%22I+was+born+in+1931%22&aq=f&aqi=&aql=f&oq=

About 561,000 results (0.06 seconds)

If you go to the last page though, page 32 then it tells you that there's only 319 results, even if you keep in omitted results it still only comes out at about 390

http://www.google.co.uk/search?q=%22I+was+born+in+1931%22&hl=en&client=firefox-a&hs=p2l&rls=org.mozilla:en-GB:official&prmd=ivns&ei=X-OITcL-L4e3hQeh--CkDg&start=320&sa=N

Page 33 of about 319 results (0.10 seconds)

With omitted

http://www.google.co.uk/search?q=%22I+was+born+in+1931%22&hl=en&client=firefox-a&rls=org.mozilla:en-GB:official&prmd=ivns&ei=ZuiITZnuCMKJhQfl2KiuDg&start=380&sa=N&filter=0

Page 39 of 390 results (0.16 seconds)

You can use this for almost any search term and it will over exaggerate the amount of results by a few billion/million/hundred thousand.
Update: Glenn, I posted a link with the option to make it keep omitted results in, it still only returns 390 results.
Update 2: Hillary, please learn how google works. I searched in quotation marks which means, search for this exact term.
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