Finding the Fourth Proportional to 1,171,066,722.52, 1,616,062,511.97 and 635,217,046.12
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Solution
The fourth proportional to 1,171,066,722.52, 1,616,062,511.97 and 635,217,046.12 is: 876,594,335.28
Step by Step Solution
- Step 1: Write the proportion equation
1,171,066,722.52 : 1,616,062,511.97 = 635,217,046.12 : x - Step 2: Convert to fraction form
1,171,066,722.52/1,616,062,511.97 = 635,217,046.12/x - Step 3: Cross multiply
1,171,066,722.52x = 1,616,062,511.97 × 635,217,046.12 - Step 4: Simplify right side
1,171,066,722.52x = 1,026,550,455,198,850,560 - Step 5: Solve for x
x = 1,026,550,455,198,850,560/1,171,066,722.52 - Step 6: Final answer
x = 876,594,335.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.