Finding the Fourth Proportional to 454,168,010.92, 626,752,107.26 and 245,324,155.62
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Solution
The fourth proportional to 454,168,010.92, 626,752,107.26 and 245,324,155.62 is: 338,547,470.97
Step by Step Solution
- Step 1: Write the proportion equation
454,168,010.92 : 626,752,107.26 = 245,324,155.62 : x - Step 2: Convert to fraction form
454,168,010.92/626,752,107.26 = 245,324,155.62/x - Step 3: Cross multiply
454,168,010.92x = 626,752,107.26 × 245,324,155.62 - Step 4: Simplify right side
454,168,010.92x = 153,757,431,493,387,872 - Step 5: Solve for x
x = 153,757,431,493,387,872/454,168,010.92 - Step 6: Final answer
x = 338,547,470.97
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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.