Home / 12,950,452,278.66-19,427,531,470.11-3,987,399,918.18

Finding the Fourth Proportional to 12,950,452,278.66, 19,427,531,470.11 and 3,987,399,918.18

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Solution

The fourth proportional to 12,950,452,278.66, 19,427,531,470.11 and 3,987,399,918.18 is: 5,981,670,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,452,278.66 : 19,427,531,470.11 = 3,987,399,918.18 : x
  2. Step 2: Convert to fraction form
    12,950,452,278.66/19,427,531,470.11 = 3,987,399,918.18/x
  3. Step 3: Cross multiply
    12,950,452,278.66x = 19,427,531,470.11 × 3,987,399,918.18
  4. Step 4: Simplify right side
    12,950,452,278.66x = 77,465,337,394,355,994,624
  5. Step 5: Solve for x
    x = 77,465,337,394,355,994,624/12,950,452,278.66
  6. Step 6: Final answer
    x = 5,981,670,425.67

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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.