Home / 12,418,288,179.20-18,627,432,268.80-9,969,408,051.20

Finding the Fourth Proportional to 12,418,288,179.20, 18,627,432,268.80 and 9,969,408,051.20

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Solution

The fourth proportional to 12,418,288,179.20, 18,627,432,268.80 and 9,969,408,051.20 is: 14,954,112,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,288,179.20 : 18,627,432,268.80 = 9,969,408,051.20 : x
  2. Step 2: Convert to fraction form
    12,418,288,179.20/18,627,432,268.80 = 9,969,408,051.20/x
  3. Step 3: Cross multiply
    12,418,288,179.20x = 18,627,432,268.80 × 9,969,408,051.20
  4. Step 4: Simplify right side
    12,418,288,179.20x = 185,704,473,233,757,405,184
  5. Step 5: Solve for x
    x = 185,704,473,233,757,405,184/12,418,288,179.20
  6. Step 6: Final answer
    x = 14,954,112,076.80

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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.