Finding the Fourth Proportional to 3,532,469,609.97, 4,874,840,750.57 and 1,946,618,317.75
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Solution
The fourth proportional to 3,532,469,609.97, 4,874,840,750.57 and 1,946,618,317.75 is: 2,686,351,292.14
Step by Step Solution
- Step 1: Write the proportion equation
3,532,469,609.97 : 4,874,840,750.57 = 1,946,618,317.75 : x - Step 2: Convert to fraction form
3,532,469,609.97/4,874,840,750.57 = 1,946,618,317.75/x - Step 3: Cross multiply
3,532,469,609.97x = 4,874,840,750.57 × 1,946,618,317.75 - Step 4: Simplify right side
3,532,469,609.97x = 9,489,454,301,173,721,088 - Step 5: Solve for x
x = 9,489,454,301,173,721,088/3,532,469,609.97 - Step 6: Final answer
x = 2,686,351,292.14
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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.