Finding the Fourth Proportional to 2,887,504,335.18, 3,975,494,892.45 and 2,251,608,840.17
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Solution
The fourth proportional to 2,887,504,335.18, 3,975,494,892.45 and 2,251,608,840.17 is: 3,099,998,616.39
Step by Step Solution
- Step 1: Write the proportion equation
2,887,504,335.18 : 3,975,494,892.45 = 2,251,608,840.17 : x - Step 2: Convert to fraction form
2,887,504,335.18/3,975,494,892.45 = 2,251,608,840.17/x - Step 3: Cross multiply
2,887,504,335.18x = 3,975,494,892.45 × 2,251,608,840.17 - Step 4: Simplify right side
2,887,504,335.18x = 8,951,259,443,891,103,744 - Step 5: Solve for x
x = 8,951,259,443,891,103,744/2,887,504,335.18 - Step 6: Final answer
x = 3,099,998,616.39
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1.5x scale
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.