Home / 26,815,965,346.35-40,209,981,143.13-12,647,126,758.71

Finding the Fourth Proportional to 26,815,965,346.35, 40,209,981,143.13 and 12,647,126,758.71

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Solution

The fourth proportional to 26,815,965,346.35, 40,209,981,143.13 and 12,647,126,758.71 is: 18,964,102,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815,965,346.35 : 40,209,981,143.13 = 12,647,126,758.71 : x
  2. Step 2: Convert to fraction form
    26,815,965,346.35/40,209,981,143.13 = 12,647,126,758.71/x
  3. Step 3: Cross multiply
    26,815,965,346.35x = 40,209,981,143.13 × 12,647,126,758.71
  4. Step 4: Simplify right side
    26,815,965,346.35x = 508,540,728,482,503,852,032
  5. Step 5: Solve for x
    x = 508,540,728,482,503,852,032/26,815,965,346.35
  6. Step 6: Final answer
    x = 18,964,102,985.45

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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.