Home / 283,474,429.60-425,211,644.40-154,143,997.60

Finding the Fourth Proportional to 283,474,429.60, 425,211,644.40 and 154,143,997.60

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Solution

The fourth proportional to 283,474,429.60, 425,211,644.40 and 154,143,997.60 is: 231,215,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,474,429.60 : 425,211,644.40 = 154,143,997.60 : x
  2. Step 2: Convert to fraction form
    283,474,429.60/425,211,644.40 = 154,143,997.60/x
  3. Step 3: Cross multiply
    283,474,429.60x = 425,211,644.40 × 154,143,997.60
  4. Step 4: Simplify right side
    283,474,429.60x = 65,543,822,693,885,648
  5. Step 5: Solve for x
    x = 65,543,822,693,885,648/283,474,429.60
  6. Step 6: Final answer
    x = 231,215,996.40

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1.5x scale

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.