Finding the Fourth Proportional to 574,517,104.20, 861,775,656.30 and 399,165,193.80
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Solution
The fourth proportional to 574,517,104.20, 861,775,656.30 and 399,165,193.80 is: 598,747,790.70
Step by Step Solution
- Step 1: Write the proportion equation
574,517,104.20 : 861,775,656.30 = 399,165,193.80 : x - Step 2: Convert to fraction form
574,517,104.20/861,775,656.30 = 399,165,193.80/x - Step 3: Cross multiply
574,517,104.20x = 861,775,656.30 × 399,165,193.80 - Step 4: Simplify right side
574,517,104.20x = 343,990,846,859,111,680 - Step 5: Solve for x
x = 343,990,846,859,111,680/574,517,104.20 - Step 6: Final answer
x = 598,747,790.70
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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.