Home / 437,463,616.80-656,195,425.20-178,592,800.80

Finding the Fourth Proportional to 437,463,616.80, 656,195,425.20 and 178,592,800.80

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Solution

The fourth proportional to 437,463,616.80, 656,195,425.20 and 178,592,800.80 is: 267,889,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,463,616.80 : 656,195,425.20 = 178,592,800.80 : x
  2. Step 2: Convert to fraction form
    437,463,616.80/656,195,425.20 = 178,592,800.80/x
  3. Step 3: Cross multiply
    437,463,616.80x = 656,195,425.20 × 178,592,800.80
  4. Step 4: Simplify right side
    437,463,616.80x = 117,191,778,858,614,912
  5. Step 5: Solve for x
    x = 117,191,778,858,614,912/437,463,616.80
  6. Step 6: Final answer
    x = 267,889,201.20

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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.