Finding the Fourth Proportional to 494,887,437.77, 682,951,658.75 and 271,889,728.53
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Solution
The fourth proportional to 494,887,437.77, 682,951,658.75 and 271,889,728.53 is: 375,211,668.20
Step by Step Solution
- Step 1: Write the proportion equation
494,887,437.77 : 682,951,658.75 = 271,889,728.53 : x - Step 2: Convert to fraction form
494,887,437.77/682,951,658.75 = 271,889,728.53/x - Step 3: Cross multiply
494,887,437.77x = 682,951,658.75 × 271,889,728.53 - Step 4: Simplify right side
494,887,437.77x = 185,687,541,093,749,760 - Step 5: Solve for x
x = 185,687,541,093,749,760/494,887,437.77 - Step 6: Final answer
x = 375,211,668.20
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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.