Finding the Fourth Proportional to 574,190,531.28, 861,439,069.08 and 205,762,726.42
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Solution
The fourth proportional to 574,190,531.28, 861,439,069.08 and 205,762,726.42 is: 308,699,015.12
Step by Step Solution
- Step 1: Write the proportion equation
574,190,531.28 : 861,439,069.08 = 205,762,726.42 : x - Step 2: Convert to fraction form
574,190,531.28/861,439,069.08 = 205,762,726.42/x - Step 3: Cross multiply
574,190,531.28x = 861,439,069.08 × 205,762,726.42 - Step 4: Simplify right side
574,190,531.28x = 177,252,051,496,453,920 - Step 5: Solve for x
x = 177,252,051,496,453,920/574,190,531.28 - Step 6: Final answer
x = 308,699,015.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.