Home / 18,351,557,917.20-25,315,981,897.32-11,585,761,716.24

Finding the Fourth Proportional to 18,351,557,917.20, 25,315,981,897.32 and 11,585,761,716.24

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Solution

The fourth proportional to 18,351,557,917.20, 25,315,981,897.32 and 11,585,761,716.24 is: 15,982,563,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,557,917.20 : 25,315,981,897.32 = 11,585,761,716.24 : x
  2. Step 2: Convert to fraction form
    18,351,557,917.20/25,315,981,897.32 = 11,585,761,716.24/x
  3. Step 3: Cross multiply
    18,351,557,917.20x = 25,315,981,897.32 × 11,585,761,716.24
  4. Step 4: Simplify right side
    18,351,557,917.20x = 293,304,933,874,994,937,856
  5. Step 5: Solve for x
    x = 293,304,933,874,994,937,856/18,351,557,917.20
  6. Step 6: Final answer
    x = 15,982,563,180.65

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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.