Home / 28,839,002,566.62-39,797,296,794.78-15,978,595,626.56

Finding the Fourth Proportional to 28,839,002,566.62, 39,797,296,794.78 and 15,978,595,626.56

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Solution

The fourth proportional to 28,839,002,566.62, 39,797,296,794.78 and 15,978,595,626.56 is: 22,050,170,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,002,566.62 : 39,797,296,794.78 = 15,978,595,626.56 : x
  2. Step 2: Convert to fraction form
    28,839,002,566.62/39,797,296,794.78 = 15,978,595,626.56/x
  3. Step 3: Cross multiply
    28,839,002,566.62x = 39,797,296,794.78 × 15,978,595,626.56
  4. Step 4: Simplify right side
    28,839,002,566.62x = 635,904,912,513,982,005,248
  5. Step 5: Solve for x
    x = 635,904,912,513,982,005,248/28,839,002,566.62
  6. Step 6: Final answer
    x = 22,050,170,114.07

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1.5x scale

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.