Home / 331,282,898.70-496,919,682.45-149,529,785.10

Finding the Fourth Proportional to 331,282,898.70, 496,919,682.45 and 149,529,785.10

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Solution

The fourth proportional to 331,282,898.70, 496,919,682.45 and 149,529,785.10 is: 224,292,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,282,898.70 : 496,919,682.45 = 149,529,785.10 : x
  2. Step 2: Convert to fraction form
    331,282,898.70/496,919,682.45 = 149,529,785.10/x
  3. Step 3: Cross multiply
    331,282,898.70x = 496,919,682.45 × 149,529,785.10
  4. Step 4: Simplify right side
    331,282,898.70x = 74,304,293,328,708,736
  5. Step 5: Solve for x
    x = 74,304,293,328,708,736/331,282,898.70
  6. Step 6: Final answer
    x = 224,292,571.76

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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.