Finding the Fourth Proportional to 2,887,504,336.71, 3,975,494,894.56 and 2,251,608,841.70
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Solution
The fourth proportional to 2,887,504,336.71, 3,975,494,894.56 and 2,251,608,841.70 is: 3,099,998,618.49
Step by Step Solution
- Step 1: Write the proportion equation
2,887,504,336.71 : 3,975,494,894.56 = 2,251,608,841.70 : x - Step 2: Convert to fraction form
2,887,504,336.71/3,975,494,894.56 = 2,251,608,841.70/x - Step 3: Cross multiply
2,887,504,336.71x = 3,975,494,894.56 × 2,251,608,841.70 - Step 4: Simplify right side
2,887,504,336.71x = 8,951,259,454,705,624,064 - Step 5: Solve for x
x = 8,951,259,454,705,624,064/2,887,504,336.71 - Step 6: Final answer
x = 3,099,998,618.49
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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.