Home / 497,664,370.20-746,496,555.30-279,986,136.60

Finding the Fourth Proportional to 497,664,370.20, 746,496,555.30 and 279,986,136.60

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Solution

The fourth proportional to 497,664,370.20, 746,496,555.30 and 279,986,136.60 is: 419,979,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,370.20 : 746,496,555.30 = 279,986,136.60 : x
  2. Step 2: Convert to fraction form
    497,664,370.20/746,496,555.30 = 279,986,136.60/x
  3. Step 3: Cross multiply
    497,664,370.20x = 746,496,555.30 × 279,986,136.60
  4. Step 4: Simplify right side
    497,664,370.20x = 209,008,686,503,655,264
  5. Step 5: Solve for x
    x = 209,008,686,503,655,264/497,664,370.20
  6. Step 6: Final answer
    x = 419,979,204.90

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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.