Home / 18,351,557,933.46-25,315,981,919.74-11,585,761,732.50

Finding the Fourth Proportional to 18,351,557,933.46, 25,315,981,919.74 and 11,585,761,732.50

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Solution

The fourth proportional to 18,351,557,933.46, 25,315,981,919.74 and 11,585,761,732.50 is: 15,982,563,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,557,933.46 : 25,315,981,919.74 = 11,585,761,732.50 : x
  2. Step 2: Convert to fraction form
    18,351,557,933.46/25,315,981,919.74 = 11,585,761,732.50/x
  3. Step 3: Cross multiply
    18,351,557,933.46x = 25,315,981,919.74 × 11,585,761,732.50
  4. Step 4: Simplify right side
    18,351,557,933.46x = 293,304,934,546,385,600,512
  5. Step 5: Solve for x
    x = 293,304,934,546,385,600,512/18,351,557,933.46
  6. Step 6: Final answer
    x = 15,982,563,203.07

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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.