Google PR (PageRank) is very important if you want to get good search results. Below is a nice graphic table that illustrates the approximate dependence of your page’s PR on the PR and quantity of pages that have links to it, and equivalence of a different number of pages with different PR. Is good to know this things because they help to plan the work for the future, or not?

google pagerank graphic

Click the image to see the full size.zero-to-millions.jpg