Home / 396,989,200.20-595,483,800.30-138,118,384.20

Finding the Fourth Proportional to 396,989,200.20, 595,483,800.30 and 138,118,384.20

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Solution

The fourth proportional to 396,989,200.20, 595,483,800.30 and 138,118,384.20 is: 207,177,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,989,200.20 : 595,483,800.30 = 138,118,384.20 : x
  2. Step 2: Convert to fraction form
    396,989,200.20/595,483,800.30 = 138,118,384.20/x
  3. Step 3: Cross multiply
    396,989,200.20x = 595,483,800.30 × 138,118,384.20
  4. Step 4: Simplify right side
    396,989,200.20x = 82,247,260,314,711,456
  5. Step 5: Solve for x
    x = 82,247,260,314,711,456/396,989,200.20
  6. Step 6: Final answer
    x = 207,177,576.30

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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.