Finding the Fourth Proportional to 659,377,983.71, 909,943,408.10 and 362,039,484.85
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Solution
The fourth proportional to 659,377,983.71, 909,943,408.10 and 362,039,484.85 is: 499,615,472.23
Step by Step Solution
- Step 1: Write the proportion equation
659,377,983.71 : 909,943,408.10 = 362,039,484.85 : x - Step 2: Convert to fraction form
659,377,983.71/909,943,408.10 = 362,039,484.85/x - Step 3: Cross multiply
659,377,983.71x = 909,943,408.10 × 362,039,484.85 - Step 4: Simplify right side
659,377,983.71x = 329,435,442,711,177,344 - Step 5: Solve for x
x = 329,435,442,711,177,344/659,377,983.71 - Step 6: Final answer
x = 499,615,472.23
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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.