Home / 392,202,721.60-588,304,082.40-133,709,819.20

Finding the Fourth Proportional to 392,202,721.60, 588,304,082.40 and 133,709,819.20

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Solution

The fourth proportional to 392,202,721.60, 588,304,082.40 and 133,709,819.20 is: 200,564,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,202,721.60 : 588,304,082.40 = 133,709,819.20 : x
  2. Step 2: Convert to fraction form
    392,202,721.60/588,304,082.40 = 133,709,819.20/x
  3. Step 3: Cross multiply
    392,202,721.60x = 588,304,082.40 × 133,709,819.20
  4. Step 4: Simplify right side
    392,202,721.60x = 78,662,032,492,325,904
  5. Step 5: Solve for x
    x = 78,662,032,492,325,904/392,202,721.60
  6. Step 6: Final answer
    x = 200,564,728.80

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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.