Home / 641,654,022.60-962,481,033.90-156,979,830.60

Finding the Fourth Proportional to 641,654,022.60, 962,481,033.90 and 156,979,830.60

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Solution

The fourth proportional to 641,654,022.60, 962,481,033.90 and 156,979,830.60 is: 235,469,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,654,022.60 : 962,481,033.90 = 156,979,830.60 : x
  2. Step 2: Convert to fraction form
    641,654,022.60/962,481,033.90 = 156,979,830.60/x
  3. Step 3: Cross multiply
    641,654,022.60x = 962,481,033.90 × 156,979,830.60
  4. Step 4: Simplify right side
    641,654,022.60x = 151,090,109,657,334,848
  5. Step 5: Solve for x
    x = 151,090,109,657,334,848/641,654,022.60
  6. Step 6: Final answer
    x = 235,469,745.90

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Similar ratio
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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.