Finding the Fourth Proportional to 592,940,145.97, 817,780,286.16 and 521,259,764.23
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Solution
The fourth proportional to 592,940,145.97, 817,780,286.16 and 521,259,764.23 is: 718,919,037.70
Step by Step Solution
- Step 1: Write the proportion equation
592,940,145.97 : 817,780,286.16 = 521,259,764.23 : x - Step 2: Convert to fraction form
592,940,145.97/817,780,286.16 = 521,259,764.23/x - Step 3: Cross multiply
592,940,145.97x = 817,780,286.16 × 521,259,764.23 - Step 4: Simplify right side
592,940,145.97x = 426,275,959,155,703,552 - Step 5: Solve for x
x = 426,275,959,155,703,552/592,940,145.97 - Step 6: Final answer
x = 718,919,037.70
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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.