Home / 437,022,016.80-655,533,025.20-339,449,449.20

Finding the Fourth Proportional to 437,022,016.80, 655,533,025.20 and 339,449,449.20

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Solution

The fourth proportional to 437,022,016.80, 655,533,025.20 and 339,449,449.20 is: 509,174,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,022,016.80 : 655,533,025.20 = 339,449,449.20 : x
  2. Step 2: Convert to fraction form
    437,022,016.80/655,533,025.20 = 339,449,449.20/x
  3. Step 3: Cross multiply
    437,022,016.80x = 655,533,025.20 × 339,449,449.20
  4. Step 4: Simplify right side
    437,022,016.80x = 222,520,324,336,549,728
  5. Step 5: Solve for x
    x = 222,520,324,336,549,728/437,022,016.80
  6. Step 6: Final answer
    x = 509,174,173.80

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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.