Finding the Fourth Proportional to 5,729,304,693.50, 7,906,440,857.05 and 3,188,932,143.11
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Solution
The fourth proportional to 5,729,304,693.50, 7,906,440,857.05 and 3,188,932,143.11 is: 4,400,726,569.02
Step by Step Solution
- Step 1: Write the proportion equation
5,729,304,693.50 : 7,906,440,857.05 = 3,188,932,143.11 : x - Step 2: Convert to fraction form
5,729,304,693.50/7,906,440,857.05 = 3,188,932,143.11/x - Step 3: Cross multiply
5,729,304,693.50x = 7,906,440,857.05 × 3,188,932,143.11 - Step 4: Simplify right side
5,729,304,693.50x = 25,213,103,386,656,714,752 - Step 5: Solve for x
x = 25,213,103,386,656,714,752/5,729,304,693.50 - Step 6: Final answer
x = 4,400,726,569.02
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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.