Home / 12,098,804,285.60-18,148,206,428.40-7,741,656,432.80

Finding the Fourth Proportional to 12,098,804,285.60, 18,148,206,428.40 and 7,741,656,432.80

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Solution

The fourth proportional to 12,098,804,285.60, 18,148,206,428.40 and 7,741,656,432.80 is: 11,612,484,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,804,285.60 : 18,148,206,428.40 = 7,741,656,432.80 : x
  2. Step 2: Convert to fraction form
    12,098,804,285.60/18,148,206,428.40 = 7,741,656,432.80/x
  3. Step 3: Cross multiply
    12,098,804,285.60x = 18,148,206,428.40 × 7,741,656,432.80
  4. Step 4: Simplify right side
    12,098,804,285.60x = 140,497,179,040,205,193,216
  5. Step 5: Solve for x
    x = 140,497,179,040,205,193,216/12,098,804,285.60
  6. Step 6: Final answer
    x = 11,612,484,649.20

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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.