Home / 8,278,858,780.80-12,418,288,171.20-6,646,272,028.80

Finding the Fourth Proportional to 8,278,858,780.80, 12,418,288,171.20 and 6,646,272,028.80

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Solution

The fourth proportional to 8,278,858,780.80, 12,418,288,171.20 and 6,646,272,028.80 is: 9,969,408,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,858,780.80 : 12,418,288,171.20 = 6,646,272,028.80 : x
  2. Step 2: Convert to fraction form
    8,278,858,780.80/12,418,288,171.20 = 6,646,272,028.80/x
  3. Step 3: Cross multiply
    8,278,858,780.80x = 12,418,288,171.20 × 6,646,272,028.80
  4. Step 4: Simplify right side
    8,278,858,780.80x = 82,535,321,317,824,479,232
  5. Step 5: Solve for x
    x = 82,535,321,317,824,479,232/8,278,858,780.80
  6. Step 6: Final answer
    x = 9,969,408,043.20

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Double scale
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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.