Home / 12,861,419,292.29-19,289,989,151.18-3,895,476,865.65

Finding the Fourth Proportional to 12,861,419,292.29, 19,289,989,151.18 and 3,895,476,865.65

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Solution

The fourth proportional to 12,861,419,292.29, 19,289,989,151.18 and 3,895,476,865.65 is: 5,842,567,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,419,292.29 : 19,289,989,151.18 = 3,895,476,865.65 : x
  2. Step 2: Convert to fraction form
    12,861,419,292.29/19,289,989,151.18 = 3,895,476,865.65/x
  3. Step 3: Cross multiply
    12,861,419,292.29x = 19,289,989,151.18 × 3,895,476,865.65
  4. Step 4: Simplify right side
    12,861,419,292.29x = 75,143,706,477,053,394,944
  5. Step 5: Solve for x
    x = 75,143,706,477,053,394,944/12,861,419,292.29
  6. Step 6: Final answer
    x = 5,842,567,198.01

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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.