Home / 12,991,786,902.20-17,925,593,121.72-7,353,002,753.48

Finding the Fourth Proportional to 12,991,786,902.20, 17,925,593,121.72 and 7,353,002,753.48

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Solution

The fourth proportional to 12,991,786,902.20, 17,925,593,121.72 and 7,353,002,753.48 is: 10,145,404,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,786,902.20 : 17,925,593,121.72 = 7,353,002,753.48 : x
  2. Step 2: Convert to fraction form
    12,991,786,902.20/17,925,593,121.72 = 7,353,002,753.48/x
  3. Step 3: Cross multiply
    12,991,786,902.20x = 17,925,593,121.72 × 7,353,002,753.48
  4. Step 4: Simplify right side
    12,991,786,902.20x = 131,806,935,581,769,302,016
  5. Step 5: Solve for x
    x = 131,806,935,581,769,302,016/12,991,786,902.20
  6. Step 6: Final answer
    x = 10,145,404,675.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.