Finding the Fourth Proportional to 487,497,466.19, 672,747,780.87 and 264,479,136.27
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Solution
The fourth proportional to 487,497,466.19, 672,747,780.87 and 264,479,136.27 is: 364,981,901.15
Step by Step Solution
- Step 1: Write the proportion equation
487,497,466.19 : 672,747,780.87 = 264,479,136.27 : x - Step 2: Convert to fraction form
487,497,466.19/672,747,780.87 = 264,479,136.27/x - Step 3: Cross multiply
487,497,466.19x = 672,747,780.87 × 264,479,136.27 - Step 4: Simplify right side
487,497,466.19x = 177,927,752,012,056,832 - Step 5: Solve for x
x = 177,927,752,012,056,832/487,497,466.19 - Step 6: Final answer
x = 364,981,901.15
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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.