Home / 12,418,288,306.20-18,627,432,459.30-9,969,408,178.20

Finding the Fourth Proportional to 12,418,288,306.20, 18,627,432,459.30 and 9,969,408,178.20

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Solution

The fourth proportional to 12,418,288,306.20, 18,627,432,459.30 and 9,969,408,178.20 is: 14,954,112,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,288,306.20 : 18,627,432,459.30 = 9,969,408,178.20 : x
  2. Step 2: Convert to fraction form
    12,418,288,306.20/18,627,432,459.30 = 9,969,408,178.20/x
  3. Step 3: Cross multiply
    12,418,288,306.20x = 18,627,432,459.30 × 9,969,408,178.20
  4. Step 4: Simplify right side
    12,418,288,306.20x = 185,704,477,498,613,563,392
  5. Step 5: Solve for x
    x = 185,704,477,498,613,563,392/12,418,288,306.20
  6. Step 6: Final answer
    x = 14,954,112,267.30

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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.