Home / 672,631,544.52-928,259,077.19-425,022,553.80

Finding the Fourth Proportional to 672,631,544.52, 928,259,077.19 and 425,022,553.80

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Solution

The fourth proportional to 672,631,544.52, 928,259,077.19 and 425,022,553.80 is: 586,548,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,631,544.52 : 928,259,077.19 = 425,022,553.80 : x
  2. Step 2: Convert to fraction form
    672,631,544.52/928,259,077.19 = 425,022,553.80/x
  3. Step 3: Cross multiply
    672,631,544.52x = 928,259,077.19 × 425,022,553.80
  4. Step 4: Simplify right side
    672,631,544.52x = 394,531,043,573,200,000
  5. Step 5: Solve for x
    x = 394,531,043,573,200,000/672,631,544.52
  6. Step 6: Final answer
    x = 586,548,529.86

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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.