Finding the Fourth Proportional to 487,497,445.37, 672,747,752.17 and 264,479,115.45
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Solution
The fourth proportional to 487,497,445.37, 672,747,752.17 and 264,479,115.45 is: 364,981,872.43
Step by Step Solution
- Step 1: Write the proportion equation
487,497,445.37 : 672,747,752.17 = 264,479,115.45 : x - Step 2: Convert to fraction form
487,497,445.37/672,747,752.17 = 264,479,115.45/x - Step 3: Cross multiply
487,497,445.37x = 672,747,752.17 × 264,479,115.45 - Step 4: Simplify right side
487,497,445.37x = 177,927,730,414,897,408 - Step 5: Solve for x
x = 177,927,730,414,897,408/487,497,445.37 - Step 6: Final answer
x = 364,981,872.43
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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.