Home / 486,598,750.20-729,977,732.10-158,979,151.80

Finding the Fourth Proportional to 486,598,750.20, 729,977,732.10 and 158,979,151.80

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Solution

The fourth proportional to 486,598,750.20, 729,977,732.10 and 158,979,151.80 is: 238,494,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,598,750.20 : 729,977,732.10 = 158,979,151.80 : x
  2. Step 2: Convert to fraction form
    486,598,750.20/729,977,732.10 = 158,979,151.80/x
  3. Step 3: Cross multiply
    486,598,750.20x = 729,977,732.10 × 158,979,151.80
  4. Step 4: Simplify right side
    486,598,750.20x = 116,051,240,682,145,648
  5. Step 5: Solve for x
    x = 116,051,240,682,145,648/486,598,750.20
  6. Step 6: Final answer
    x = 238,494,736.44

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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.