Home / 654,914,456.10-982,371,684.15-327,440,511.90

Finding the Fourth Proportional to 654,914,456.10, 982,371,684.15 and 327,440,511.90

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Solution

The fourth proportional to 654,914,456.10, 982,371,684.15 and 327,440,511.90 is: 491,160,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,914,456.10 : 982,371,684.15 = 327,440,511.90 : x
  2. Step 2: Convert to fraction form
    654,914,456.10/982,371,684.15 = 327,440,511.90/x
  3. Step 3: Cross multiply
    654,914,456.10x = 982,371,684.15 × 327,440,511.90
  4. Step 4: Simplify right side
    654,914,456.10x = 321,668,287,134,141,056
  5. Step 5: Solve for x
    x = 321,668,287,134,141,056/654,914,456.10
  6. Step 6: Final answer
    x = 491,160,767.85

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Half scale
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Double scale
Find fourth proportional to 654,914,457.10, 982,371,685.65 and 327,440,512.90
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.