Home / 12,991,786,882.20-17,925,593,094.18-7,353,002,733.48

Finding the Fourth Proportional to 12,991,786,882.20, 17,925,593,094.18 and 7,353,002,733.48

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Solution

The fourth proportional to 12,991,786,882.20, 17,925,593,094.18 and 7,353,002,733.48 is: 10,145,404,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,786,882.20 : 17,925,593,094.18 = 7,353,002,733.48 : x
  2. Step 2: Convert to fraction form
    12,991,786,882.20/17,925,593,094.18 = 7,353,002,733.48/x
  3. Step 3: Cross multiply
    12,991,786,882.20x = 17,925,593,094.18 × 7,353,002,733.48
  4. Step 4: Simplify right side
    12,991,786,882.20x = 131,806,935,020,755,746,816
  5. Step 5: Solve for x
    x = 131,806,935,020,755,746,816/12,991,786,882.20
  6. Step 6: Final answer
    x = 10,145,404,648.02

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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.