Finding the Fourth Proportional to 4,761,172,757.92, 7,141,627,117.68 and 1,267,608,203.68
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Solution
The fourth proportional to 4,761,172,757.92, 7,141,627,117.68 and 1,267,608,203.68 is: 1,901,377,156.91
Step by Step Solution
- Step 1: Write the proportion equation
4,761,172,757.92 : 7,141,627,117.68 = 1,267,608,203.68 : x - Step 2: Convert to fraction form
4,761,172,757.92/7,141,627,117.68 = 1,267,608,203.68/x - Step 3: Cross multiply
4,761,172,757.92x = 7,141,627,117.68 × 1,267,608,203.68 - Step 4: Simplify right side
4,761,172,757.92x = 9,052,785,121,994,721,280 - Step 5: Solve for x
x = 9,052,785,121,994,721,280/4,761,172,757.92 - Step 6: Final answer
x = 1,901,377,156.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.