Home / 20,163,491,168.93-27,825,659,021.07-11,131,261,698.83

Finding the Fourth Proportional to 20,163,491,168.93, 27,825,659,021.07 and 11,131,261,698.83

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Solution

The fourth proportional to 20,163,491,168.93, 27,825,659,021.07 and 11,131,261,698.83 is: 15,361,163,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,491,168.93 : 27,825,659,021.07 = 11,131,261,698.83 : x
  2. Step 2: Convert to fraction form
    20,163,491,168.93/27,825,659,021.07 = 11,131,261,698.83/x
  3. Step 3: Cross multiply
    20,163,491,168.93x = 27,825,659,021.07 × 11,131,261,698.83
  4. Step 4: Simplify right side
    20,163,491,168.93x = 309,734,692,505,745,162,240
  5. Step 5: Solve for x
    x = 309,734,692,505,745,162,240/20,163,491,168.93
  6. Step 6: Final answer
    x = 15,361,163,893.24

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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.