Home / 641,654,726.20-962,482,089.30-156,980,534.20

Finding the Fourth Proportional to 641,654,726.20, 962,482,089.30 and 156,980,534.20

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Solution

The fourth proportional to 641,654,726.20, 962,482,089.30 and 156,980,534.20 is: 235,470,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,654,726.20 : 962,482,089.30 = 156,980,534.20 : x
  2. Step 2: Convert to fraction form
    641,654,726.20/962,482,089.30 = 156,980,534.20/x
  3. Step 3: Cross multiply
    641,654,726.20x = 962,482,089.30 × 156,980,534.20
  4. Step 4: Simplify right side
    641,654,726.20x = 151,090,952,536,246,080
  5. Step 5: Solve for x
    x = 151,090,952,536,246,080/641,654,726.20
  6. Step 6: Final answer
    x = 235,470,801.30

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Double scale
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Similar ratio
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1.5x scale

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.