Home / 834,398,082.40-1,251,590,902.80-252,131,202.40

Finding the Fourth Proportional to 834,398,082.40, 1,251,590,902.80 and 252,131,202.40

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Solution

The fourth proportional to 834,398,082.40, 1,251,590,902.80 and 252,131,202.40 is: 378,194,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,398,082.40 : 1,251,590,902.80 = 252,131,202.40 : x
  2. Step 2: Convert to fraction form
    834,398,082.40/1,251,590,902.80 = 252,131,202.40/x
  3. Step 3: Cross multiply
    834,398,082.40x = 1,251,590,902.80 × 252,131,202.40
  4. Step 4: Simplify right side
    834,398,082.40x = 315,565,119,235,865,536
  5. Step 5: Solve for x
    x = 315,565,119,235,865,536/834,398,082.40
  6. Step 6: Final answer
    x = 378,194,923.85

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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.