Home / 28,839,002,569.62-39,797,296,798.92-15,978,595,629.56

Finding the Fourth Proportional to 28,839,002,569.62, 39,797,296,798.92 and 15,978,595,629.56

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Solution

The fourth proportional to 28,839,002,569.62, 39,797,296,798.92 and 15,978,595,629.56 is: 22,050,170,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,002,569.62 : 39,797,296,798.92 = 15,978,595,629.56 : x
  2. Step 2: Convert to fraction form
    28,839,002,569.62/39,797,296,798.92 = 15,978,595,629.56/x
  3. Step 3: Cross multiply
    28,839,002,569.62x = 39,797,296,798.92 × 15,978,595,629.56
  4. Step 4: Simplify right side
    28,839,002,569.62x = 635,904,912,699,525,300,224
  5. Step 5: Solve for x
    x = 635,904,912,699,525,300,224/28,839,002,569.62
  6. Step 6: Final answer
    x = 22,050,170,118.21

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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.