Home / 339,979,647.60-510,179,423.40-135,486,399.60

Finding the Fourth Proportional to 339,979,647.60, 510,179,423.40 and 135,486,399.60

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Solution

The fourth proportional to 339,979,647.60, 510,179,423.40 and 135,486,399.60 is: 203,313,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,979,647.60 : 510,179,423.40 = 135,486,399.60 : x
  2. Step 2: Convert to fraction form
    339,979,647.60/510,179,423.40 = 135,486,399.60/x
  3. Step 3: Cross multiply
    339,979,647.60x = 510,179,423.40 × 135,486,399.60
  4. Step 4: Simplify right side
    339,979,647.60x = 69,122,373,226,469,984
  5. Step 5: Solve for x
    x = 69,122,373,226,469,984/339,979,647.60
  6. Step 6: Final answer
    x = 203,313,268.06

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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.