Home / 279,936,259.65-419,904,389.48-221,485,622.85

Finding the Fourth Proportional to 279,936,259.65, 419,904,389.48 and 221,485,622.85

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Solution

The fourth proportional to 279,936,259.65, 419,904,389.48 and 221,485,622.85 is: 332,228,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,259.65 : 419,904,389.48 = 221,485,622.85 : x
  2. Step 2: Convert to fraction form
    279,936,259.65/419,904,389.48 = 221,485,622.85/x
  3. Step 3: Cross multiply
    279,936,259.65x = 419,904,389.48 × 221,485,622.85
  4. Step 4: Simplify right side
    279,936,259.65x = 93,002,785,240,319,360
  5. Step 5: Solve for x
    x = 93,002,785,240,319,360/279,936,259.65
  6. Step 6: Final answer
    x = 332,228,434.28

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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.