Home / 12,508,453,171.91-18,762,663,913.11-3,192,201,309.62

Finding the Fourth Proportional to 12,508,453,171.91, 18,762,663,913.11 and 3,192,201,309.62

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Solution

The fourth proportional to 12,508,453,171.91, 18,762,663,913.11 and 3,192,201,309.62 is: 4,788,297,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,453,171.91 : 18,762,663,913.11 = 3,192,201,309.62 : x
  2. Step 2: Convert to fraction form
    12,508,453,171.91/18,762,663,913.11 = 3,192,201,309.62/x
  3. Step 3: Cross multiply
    12,508,453,171.91x = 18,762,663,913.11 × 3,192,201,309.62
  4. Step 4: Simplify right side
    12,508,453,171.91x = 59,894,200,315,295,842,304
  5. Step 5: Solve for x
    x = 59,894,200,315,295,842,304/12,508,453,171.91
  6. Step 6: Final answer
    x = 4,788,297,920.79

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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.