Finding the Fourth Proportional to 492,266,932.26, 679,180,885.72 and 283,417,705.14
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Solution
The fourth proportional to 492,266,932.26, 679,180,885.72 and 283,417,705.14 is: 391,031,522.52
Step by Step Solution
- Step 1: Write the proportion equation
492,266,932.26 : 679,180,885.72 = 283,417,705.14 : x - Step 2: Convert to fraction form
492,266,932.26/679,180,885.72 = 283,417,705.14/x - Step 3: Cross multiply
492,266,932.26x = 679,180,885.72 × 283,417,705.14 - Step 4: Simplify right side
492,266,932.26x = 192,491,888,005,715,008 - Step 5: Solve for x
x = 192,491,888,005,715,008/492,266,932.26 - Step 6: Final answer
x = 391,031,522.52
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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.