Home / 681,839,721.62-1,022,647,608.03-293,558,017.94

Finding the Fourth Proportional to 681,839,721.62, 1,022,647,608.03 and 293,558,017.94

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Solution

The fourth proportional to 681,839,721.62, 1,022,647,608.03 and 293,558,017.94 is: 440,288,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,839,721.62 : 1,022,647,608.03 = 293,558,017.94 : x
  2. Step 2: Convert to fraction form
    681,839,721.62/1,022,647,608.03 = 293,558,017.94/x
  3. Step 3: Cross multiply
    681,839,721.62x = 1,022,647,608.03 × 293,558,017.94
  4. Step 4: Simplify right side
    681,839,721.62x = 300,206,404,865,013,120
  5. Step 5: Solve for x
    x = 300,206,404,865,013,120/681,839,721.62
  6. Step 6: Final answer
    x = 440,288,817.66

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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.