Finding the Fourth Proportional to 822,115,363.05, 1,134,541,509.11 and 464,936,551.91
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Solution
The fourth proportional to 822,115,363.05, 1,134,541,509.11 and 464,936,551.91 is: 641,625,057.68
Step by Step Solution
- Step 1: Write the proportion equation
822,115,363.05 : 1,134,541,509.11 = 464,936,551.91 : x - Step 2: Convert to fraction form
822,115,363.05/1,134,541,509.11 = 464,936,551.91/x - Step 3: Cross multiply
822,115,363.05x = 1,134,541,509.11 × 464,936,551.91 - Step 4: Simplify right side
822,115,363.05x = 527,489,817,238,506,816 - Step 5: Solve for x
x = 527,489,817,238,506,816/822,115,363.05 - Step 6: Final answer
x = 641,625,057.68
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1.5x scale
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.