Finding the Fourth Proportional to 574,627,641.68, 861,941,473.97 and 137,928,325.91
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Solution
The fourth proportional to 574,627,641.68, 861,941,473.97 and 137,928,325.91 is: 206,892,491.60
Step by Step Solution
- Step 1: Write the proportion equation
574,627,641.68 : 861,941,473.97 = 137,928,325.91 : x - Step 2: Convert to fraction form
574,627,641.68/861,941,473.97 = 137,928,325.91/x - Step 3: Cross multiply
574,627,641.68x = 861,941,473.97 × 137,928,325.91 - Step 4: Simplify right side
574,627,641.68x = 118,886,144,532,080,592 - Step 5: Solve for x
x = 118,886,144,532,080,592/574,627,641.68 - Step 6: Final answer
x = 206,892,491.60
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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.