Finding the Fourth Proportional to 3,269,448,217.72, 4,900,188,121.11 and 1,694,687,343.08
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Solution
The fourth proportional to 3,269,448,217.72, 4,900,188,121.11 and 1,694,687,343.08 is: 2,539,965,839.66
Step by Step Solution
- Step 1: Write the proportion equation
3,269,448,217.72 : 4,900,188,121.11 = 1,694,687,343.08 : x - Step 2: Convert to fraction form
3,269,448,217.72/4,900,188,121.11 = 1,694,687,343.08/x - Step 3: Cross multiply
3,269,448,217.72x = 4,900,188,121.11 × 1,694,687,343.08 - Step 4: Simplify right side
3,269,448,217.72x = 8,304,286,787,547,608,064 - Step 5: Solve for x
x = 8,304,286,787,547,608,064/3,269,448,217.72 - Step 6: Final answer
x = 2,539,965,839.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.