Home / 816,507,687.20-1,224,761,530.80-732,327,432.80

Finding the Fourth Proportional to 816,507,687.20, 1,224,761,530.80 and 732,327,432.80

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Solution

The fourth proportional to 816,507,687.20, 1,224,761,530.80 and 732,327,432.80 is: 1,098,491,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,507,687.20 : 1,224,761,530.80 = 732,327,432.80 : x
  2. Step 2: Convert to fraction form
    816,507,687.20/1,224,761,530.80 = 732,327,432.80/x
  3. Step 3: Cross multiply
    816,507,687.20x = 1,224,761,530.80 × 732,327,432.80
  4. Step 4: Simplify right side
    816,507,687.20x = 896,926,467,642,962,048
  5. Step 5: Solve for x
    x = 896,926,467,642,962,048/816,507,687.20
  6. Step 6: Final answer
    x = 1,098,491,149.20

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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.