Finding the Fourth Proportional to 574,453,010.40, 861,679,515.60 and 159,929,030.40
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Solution
The fourth proportional to 574,453,010.40, 861,679,515.60 and 159,929,030.40 is: 239,893,545.60
Step by Step Solution
- Step 1: Write the proportion equation
574,453,010.40 : 861,679,515.60 = 159,929,030.40 : x - Step 2: Convert to fraction form
574,453,010.40/861,679,515.60 = 159,929,030.40/x - Step 3: Cross multiply
574,453,010.40x = 861,679,515.60 × 159,929,030.40 - Step 4: Simplify right side
574,453,010.40x = 137,807,569,445,449,680 - Step 5: Solve for x
x = 137,807,569,445,449,680/574,453,010.40 - Step 6: Final answer
x = 239,893,545.60
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Similar ratio
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1.5x scale
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.