Home / 153,660,882,661.20-230,491,323,991.80-127,539,494,629.20

Finding the Fourth Proportional to 153,660,882,661.20, 230,491,323,991.80 and 127,539,494,629.20

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Solution

The fourth proportional to 153,660,882,661.20, 230,491,323,991.80 and 127,539,494,629.20 is: 191,309,241,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,660,882,661.20 : 230,491,323,991.80 = 127,539,494,629.20 : x
  2. Step 2: Convert to fraction form
    153,660,882,661.20/230,491,323,991.80 = 127,539,494,629.20/x
  3. Step 3: Cross multiply
    153,660,882,661.20x = 230,491,323,991.80 × 127,539,494,629.20
  4. Step 4: Simplify right side
    153,660,882,661.20x = 29,396,746,978,329,372,917,760
  5. Step 5: Solve for x
    x = 29,396,746,978,329,372,917,760/153,660,882,661.20
  6. Step 6: Final answer
    x = 191,309,241,943.80

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1.5x scale

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.