Home / 13,227,340,540.70-19,841,010,811.05-12,217,177,487.90

Finding the Fourth Proportional to 13,227,340,540.70, 19,841,010,811.05 and 12,217,177,487.90

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Solution

The fourth proportional to 13,227,340,540.70, 19,841,010,811.05 and 12,217,177,487.90 is: 18,325,766,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,340,540.70 : 19,841,010,811.05 = 12,217,177,487.90 : x
  2. Step 2: Convert to fraction form
    13,227,340,540.70/19,841,010,811.05 = 12,217,177,487.90/x
  3. Step 3: Cross multiply
    13,227,340,540.70x = 19,841,010,811.05 × 12,217,177,487.90
  4. Step 4: Simplify right side
    13,227,340,540.70x = 242,401,150,617,940,557,824
  5. Step 5: Solve for x
    x = 242,401,150,617,940,557,824/13,227,340,540.70
  6. Step 6: Final answer
    x = 18,325,766,231.85

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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.