Home / 476,810,469.12-657,850,562.88-278,428,859.04

Finding the Fourth Proportional to 476,810,469.12, 657,850,562.88 and 278,428,859.04

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Solution

The fourth proportional to 476,810,469.12, 657,850,562.88 and 278,428,859.04 is: 384,145,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,810,469.12 : 657,850,562.88 = 278,428,859.04 : x
  2. Step 2: Convert to fraction form
    476,810,469.12/657,850,562.88 = 278,428,859.04/x
  3. Step 3: Cross multiply
    476,810,469.12x = 657,850,562.88 × 278,428,859.04
  4. Step 4: Simplify right side
    476,810,469.12x = 183,164,581,641,500,192
  5. Step 5: Solve for x
    x = 183,164,581,641,500,192/476,810,469.12
  6. Step 6: Final answer
    x = 384,145,469.75

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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.