Home / 21,845,682,815.16-30,147,094,689-11,821,285,229.88

Finding the Fourth Proportional to 21,845,682,815.16, 30,147,094,689 and 11,821,285,229.88

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Solution

The fourth proportional to 21,845,682,815.16, 30,147,094,689 and 11,821,285,229.88 is: 16,313,401,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,682,815.16 : 30,147,094,689 = 11,821,285,229.88 : x
  2. Step 2: Convert to fraction form
    21,845,682,815.16/30,147,094,689 = 11,821,285,229.88/x
  3. Step 3: Cross multiply
    21,845,682,815.16x = 30,147,094,689 × 11,821,285,229.88
  4. Step 4: Simplify right side
    21,845,682,815.16x = 356,377,405,170,869,469,184
  5. Step 5: Solve for x
    x = 356,377,405,170,869,469,184/21,845,682,815.16
  6. Step 6: Final answer
    x = 16,313,401,974.49

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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.