Home / 714,713,543.16-986,328,612.44-397,187,171.64

Finding the Fourth Proportional to 714,713,543.16, 986,328,612.44 and 397,187,171.64

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Solution

The fourth proportional to 714,713,543.16, 986,328,612.44 and 397,187,171.64 is: 548,131,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,713,543.16 : 986,328,612.44 = 397,187,171.64 : x
  2. Step 2: Convert to fraction form
    714,713,543.16/986,328,612.44 = 397,187,171.64/x
  3. Step 3: Cross multiply
    714,713,543.16x = 986,328,612.44 × 397,187,171.64
  4. Step 4: Simplify right side
    714,713,543.16x = 391,757,071,882,649,344
  5. Step 5: Solve for x
    x = 391,757,071,882,649,344/714,713,543.16
  6. Step 6: Final answer
    x = 548,131,591.51

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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.