Home / 28,839,002,568.62-39,797,296,797.54-15,978,595,628.56

Finding the Fourth Proportional to 28,839,002,568.62, 39,797,296,797.54 and 15,978,595,628.56

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Solution

The fourth proportional to 28,839,002,568.62, 39,797,296,797.54 and 15,978,595,628.56 is: 22,050,170,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,002,568.62 : 39,797,296,797.54 = 15,978,595,628.56 : x
  2. Step 2: Convert to fraction form
    28,839,002,568.62/39,797,296,797.54 = 15,978,595,628.56/x
  3. Step 3: Cross multiply
    28,839,002,568.62x = 39,797,296,797.54 × 15,978,595,628.56
  4. Step 4: Simplify right side
    28,839,002,568.62x = 635,904,912,637,677,535,232
  5. Step 5: Solve for x
    x = 635,904,912,637,677,535,232/28,839,002,568.62
  6. Step 6: Final answer
    x = 22,050,170,116.83

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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.