Home / 392,087,975.88-588,195,850.12-115,767,122.28

Finding the Fourth Proportional to 392,087,975.88, 588,195,850.12 and 115,767,122.28

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Solution

The fourth proportional to 392,087,975.88, 588,195,850.12 and 115,767,122.28 is: 173,669,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,087,975.88 : 588,195,850.12 = 115,767,122.28 : x
  2. Step 2: Convert to fraction form
    392,087,975.88/588,195,850.12 = 115,767,122.28/x
  3. Step 3: Cross multiply
    392,087,975.88x = 588,195,850.12 × 115,767,122.28
  4. Step 4: Simplify right side
    392,087,975.88x = 68,093,740,905,430,592
  5. Step 5: Solve for x
    x = 68,093,740,905,430,592/392,087,975.88
  6. Step 6: Final answer
    x = 173,669,546.36

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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.