Finding the Fourth Proportional to 1,497,154,912.70, 2,245,882,445.85 and 514,452,026.30
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Solution
The fourth proportional to 1,497,154,912.70, 2,245,882,445.85 and 514,452,026.30 is: 771,729,608.81
Step by Step Solution
- Step 1: Write the proportion equation
1,497,154,912.70 : 2,245,882,445.85 = 514,452,026.30 : x - Step 2: Convert to fraction form
1,497,154,912.70/2,245,882,445.85 = 514,452,026.30/x - Step 3: Cross multiply
1,497,154,912.70x = 2,245,882,445.85 × 514,452,026.30 - Step 4: Simplify right side
1,497,154,912.70x = 1,155,398,775,099,132,416 - Step 5: Solve for x
x = 1,155,398,775,099,132,416/1,497,154,912.70 - Step 6: Final answer
x = 771,729,608.81
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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.