Finding the Fourth Proportional to 547,376,320.38, 755,373,308.49 and 296,474,470.14
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Solution
The fourth proportional to 547,376,320.38, 755,373,308.49 and 296,474,470.14 is: 409,131,511.64
Step by Step Solution
- Step 1: Write the proportion equation
547,376,320.38 : 755,373,308.49 = 296,474,470.14 : x - Step 2: Convert to fraction form
547,376,320.38/755,373,308.49 = 296,474,470.14/x - Step 3: Cross multiply
547,376,320.38x = 755,373,308.49 × 296,474,470.14 - Step 4: Simplify right side
547,376,320.38x = 223,948,901,392,471,520 - Step 5: Solve for x
x = 223,948,901,392,471,520/547,376,320.38 - Step 6: Final answer
x = 409,131,511.64
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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.