Home / 1,198,441,199.25-1,797,661,798.88-336,798,191.25

Finding the Fourth Proportional to 1,198,441,199.25, 1,797,661,798.88 and 336,798,191.25

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Solution

The fourth proportional to 1,198,441,199.25, 1,797,661,798.88 and 336,798,191.25 is: 505,197,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,441,199.25 : 1,797,661,798.88 = 336,798,191.25 : x
  2. Step 2: Convert to fraction form
    1,198,441,199.25/1,797,661,798.88 = 336,798,191.25/x
  3. Step 3: Cross multiply
    1,198,441,199.25x = 1,797,661,798.88 × 336,798,191.25
  4. Step 4: Simplify right side
    1,198,441,199.25x = 605,449,242,340,321,280
  5. Step 5: Solve for x
    x = 605,449,242,340,321,280/1,198,441,199.25
  6. Step 6: Final answer
    x = 505,197,286.88

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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.