Finding the Fourth Proportional to 1,594,689,697.20, 2,392,034,545.80 and 430,155,937.20
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Solution
The fourth proportional to 1,594,689,697.20, 2,392,034,545.80 and 430,155,937.20 is: 645,233,905.80
Step by Step Solution
- Step 1: Write the proportion equation
1,594,689,697.20 : 2,392,034,545.80 = 430,155,937.20 : x - Step 2: Convert to fraction form
1,594,689,697.20/2,392,034,545.80 = 430,155,937.20/x - Step 3: Cross multiply
1,594,689,697.20x = 2,392,034,545.80 × 430,155,937.20 - Step 4: Simplify right side
1,594,689,697.20x = 1,028,947,861,863,375,360 - Step 5: Solve for x
x = 1,028,947,861,863,375,360/1,594,689,697.20 - Step 6: Final answer
x = 645,233,905.80
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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.