Home / 397,836,134.70-596,754,202.05-204,125,890.20

Finding the Fourth Proportional to 397,836,134.70, 596,754,202.05 and 204,125,890.20

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Solution

The fourth proportional to 397,836,134.70, 596,754,202.05 and 204,125,890.20 is: 306,188,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,836,134.70 : 596,754,202.05 = 204,125,890.20 : x
  2. Step 2: Convert to fraction form
    397,836,134.70/596,754,202.05 = 204,125,890.20/x
  3. Step 3: Cross multiply
    397,836,134.70x = 596,754,202.05 × 204,125,890.20
  4. Step 4: Simplify right side
    397,836,134.70x = 121,812,982,724,046,896
  5. Step 5: Solve for x
    x = 121,812,982,724,046,896/397,836,134.70
  6. Step 6: Final answer
    x = 306,188,835.30

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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.