Home / 26,306,469,405.20-39,459,704,107.80-12,359,331,801.20

Finding the Fourth Proportional to 26,306,469,405.20, 39,459,704,107.80 and 12,359,331,801.20

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Solution

The fourth proportional to 26,306,469,405.20, 39,459,704,107.80 and 12,359,331,801.20 is: 18,538,997,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306,469,405.20 : 39,459,704,107.80 = 12,359,331,801.20 : x
  2. Step 2: Convert to fraction form
    26,306,469,405.20/39,459,704,107.80 = 12,359,331,801.20/x
  3. Step 3: Cross multiply
    26,306,469,405.20x = 39,459,704,107.80 × 12,359,331,801.20
  4. Step 4: Simplify right side
    26,306,469,405.20x = 487,695,575,845,474,861,056
  5. Step 5: Solve for x
    x = 487,695,575,845,474,861,056/26,306,469,405.20
  6. Step 6: Final answer
    x = 18,538,997,701.80

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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.