Finding the Fourth Proportional to 3,532,469,610.97, 4,874,840,751.95 and 1,946,618,318.75
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Solution
The fourth proportional to 3,532,469,610.97, 4,874,840,751.95 and 1,946,618,318.75 is: 2,686,351,293.52
Step by Step Solution
- Step 1: Write the proportion equation
3,532,469,610.97 : 4,874,840,751.95 = 1,946,618,318.75 : x - Step 2: Convert to fraction form
3,532,469,610.97/4,874,840,751.95 = 1,946,618,318.75/x - Step 3: Cross multiply
3,532,469,610.97x = 4,874,840,751.95 × 1,946,618,318.75 - Step 4: Simplify right side
3,532,469,610.97x = 9,489,454,308,734,894,080 - Step 5: Solve for x
x = 9,489,454,308,734,894,080/3,532,469,610.97 - Step 6: Final answer
x = 2,686,351,293.52
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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.