Finding the Fourth Proportional to 1,469,704,543.20, 2,204,556,814.80 and 653,411,167.20
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Solution
The fourth proportional to 1,469,704,543.20, 2,204,556,814.80 and 653,411,167.20 is: 980,116,750.80
Step by Step Solution
- Step 1: Write the proportion equation
1,469,704,543.20 : 2,204,556,814.80 = 653,411,167.20 : x - Step 2: Convert to fraction form
1,469,704,543.20/2,204,556,814.80 = 653,411,167.20/x - Step 3: Cross multiply
1,469,704,543.20x = 2,204,556,814.80 × 653,411,167.20 - Step 4: Simplify right side
1,469,704,543.20x = 1,440,482,041,517,182,464 - Step 5: Solve for x
x = 1,440,482,041,517,182,464/1,469,704,543.20 - Step 6: Final answer
x = 980,116,750.80
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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.