Home / 425,905,489.50-587,755,286.21-240,265,931.10

Finding the Fourth Proportional to 425,905,489.50, 587,755,286.21 and 240,265,931.10

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Solution

The fourth proportional to 425,905,489.50, 587,755,286.21 and 240,265,931.10 is: 331,570,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,905,489.50 : 587,755,286.21 = 240,265,931.10 : x
  2. Step 2: Convert to fraction form
    425,905,489.50/587,755,286.21 = 240,265,931.10/x
  3. Step 3: Cross multiply
    425,905,489.50x = 587,755,286.21 × 240,265,931.10
  4. Step 4: Simplify right side
    425,905,489.50x = 141,217,571,100,192,640
  5. Step 5: Solve for x
    x = 141,217,571,100,192,640/425,905,489.50
  6. Step 6: Final answer
    x = 331,570,206.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.