Home / 425,905,491.50-587,755,288.98-240,265,933.10

Finding the Fourth Proportional to 425,905,491.50, 587,755,288.98 and 240,265,933.10

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Solution

The fourth proportional to 425,905,491.50, 587,755,288.98 and 240,265,933.10 is: 331,570,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,905,491.50 : 587,755,288.98 = 240,265,933.10 : x
  2. Step 2: Convert to fraction form
    425,905,491.50/587,755,288.98 = 240,265,933.10/x
  3. Step 3: Cross multiply
    425,905,491.50x = 587,755,288.98 × 240,265,933.10
  4. Step 4: Simplify right side
    425,905,491.50x = 141,217,572,941,239,856
  5. Step 5: Solve for x
    x = 141,217,572,941,239,856/425,905,491.50
  6. Step 6: Final answer
    x = 331,570,209.26

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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.