Finding the Fourth Proportional to 424,437,463.14, 636,656,153.67 and 117,729,589.38
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Solution
The fourth proportional to 424,437,463.14, 636,656,153.67 and 117,729,589.38 is: 176,594,372.69
Step by Step Solution
- Step 1: Write the proportion equation
424,437,463.14 : 636,656,153.67 = 117,729,589.38 : x - Step 2: Convert to fraction form
424,437,463.14/636,656,153.67 = 117,729,589.38/x - Step 3: Cross multiply
424,437,463.14x = 636,656,153.67 × 117,729,589.38 - Step 4: Simplify right side
424,437,463.14x = 74,953,267,547,819,264 - Step 5: Solve for x
x = 74,953,267,547,819,264/424,437,463.14 - Step 6: Final answer
x = 176,594,372.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.