Home / 461,147,988.24-636,321,373.02-275,469,588.72

Finding the Fourth Proportional to 461,147,988.24, 636,321,373.02 and 275,469,588.72

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Solution

The fourth proportional to 461,147,988.24, 636,321,373.02 and 275,469,588.72 is: 380,110,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,147,988.24 : 636,321,373.02 = 275,469,588.72 : x
  2. Step 2: Convert to fraction form
    461,147,988.24/636,321,373.02 = 275,469,588.72/x
  3. Step 3: Cross multiply
    461,147,988.24x = 636,321,373.02 × 275,469,588.72
  4. Step 4: Simplify right side
    461,147,988.24x = 175,287,186,919,565,120
  5. Step 5: Solve for x
    x = 175,287,186,919,565,120/461,147,988.24
  6. Step 6: Final answer
    x = 380,110,488.15

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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.