Finding the Fourth Proportional to 5,194,526,011.31, 7,168,253,849.29 and 2,815,612,872.68
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Solution
The fourth proportional to 5,194,526,011.31, 7,168,253,849.29 and 2,815,612,872.68 is: 3,885,441,668.55
Step by Step Solution
- Step 1: Write the proportion equation
5,194,526,011.31 : 7,168,253,849.29 = 2,815,612,872.68 : x - Step 2: Convert to fraction form
5,194,526,011.31/7,168,253,849.29 = 2,815,612,872.68/x - Step 3: Cross multiply
5,194,526,011.31x = 7,168,253,849.29 × 2,815,612,872.68 - Step 4: Simplify right side
5,194,526,011.31x = 20,183,027,812,698,882,048 - Step 5: Solve for x
x = 20,183,027,812,698,882,048/5,194,526,011.31 - Step 6: Final answer
x = 3,885,441,668.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.