Finding the Fourth Proportional to 3,479,221,168.92, 4,801,325,913.18 and 1,914,658,864.92
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Solution
The fourth proportional to 3,479,221,168.92, 4,801,325,913.18 and 1,914,658,864.92 is: 2,642,229,618.85
Step by Step Solution
- Step 1: Write the proportion equation
3,479,221,168.92 : 4,801,325,913.18 = 1,914,658,864.92 : x - Step 2: Convert to fraction form
3,479,221,168.92/4,801,325,913.18 = 1,914,658,864.92/x - Step 3: Cross multiply
3,479,221,168.92x = 4,801,325,913.18 × 1,914,658,864.92 - Step 4: Simplify right side
3,479,221,168.92x = 9,192,901,223,040,201,728 - Step 5: Solve for x
x = 9,192,901,223,040,201,728/3,479,221,168.92 - Step 6: Final answer
x = 2,642,229,618.85
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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.