Finding the Fourth Proportional to 2,574,099,097.20, 3,861,148,645.80 and 1,992,968,363.70
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Solution
The fourth proportional to 2,574,099,097.20, 3,861,148,645.80 and 1,992,968,363.70 is: 2,989,452,545.55
Step by Step Solution
- Step 1: Write the proportion equation
2,574,099,097.20 : 3,861,148,645.80 = 1,992,968,363.70 : x - Step 2: Convert to fraction form
2,574,099,097.20/3,861,148,645.80 = 1,992,968,363.70/x - Step 3: Cross multiply
2,574,099,097.20x = 3,861,148,645.80 × 1,992,968,363.70 - Step 4: Simplify right side
2,574,099,097.20x = 7,695,147,098,622,497,792 - Step 5: Solve for x
x = 7,695,147,098,622,497,792/2,574,099,097.20 - Step 6: Final answer
x = 2,989,452,545.55
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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.