Home / 641,654,002.10-962,481,003.15-156,979,810.10

Finding the Fourth Proportional to 641,654,002.10, 962,481,003.15 and 156,979,810.10

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Solution

The fourth proportional to 641,654,002.10, 962,481,003.15 and 156,979,810.10 is: 235,469,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,654,002.10 : 962,481,003.15 = 156,979,810.10 : x
  2. Step 2: Convert to fraction form
    641,654,002.10/962,481,003.15 = 156,979,810.10/x
  3. Step 3: Cross multiply
    641,654,002.10x = 962,481,003.15 × 156,979,810.10
  4. Step 4: Simplify right side
    641,654,002.10x = 151,090,085,099,344,480
  5. Step 5: Solve for x
    x = 151,090,085,099,344,480/641,654,002.10
  6. Step 6: Final answer
    x = 235,469,715.15

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Double scale
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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.