Finding the Fourth Proportional to 574,517,708.20, 861,776,562.30 and 399,165,797.80
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Solution
The fourth proportional to 574,517,708.20, 861,776,562.30 and 399,165,797.80 is: 598,748,696.70
Step by Step Solution
- Step 1: Write the proportion equation
574,517,708.20 : 861,776,562.30 = 399,165,797.80 : x - Step 2: Convert to fraction form
574,517,708.20/861,776,562.30 = 399,165,797.80/x - Step 3: Cross multiply
574,517,708.20x = 861,776,562.30 × 399,165,797.80 - Step 4: Simplify right side
574,517,708.20x = 343,991,729,015,820,864 - Step 5: Solve for x
x = 343,991,729,015,820,864/574,517,708.20 - Step 6: Final answer
x = 598,748,696.70
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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.