Home / 587,305,980.80-879,951,201.60-279,936,252.80

Finding the Fourth Proportional to 587,305,980.80, 879,951,201.60 and 279,936,252.80

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Solution

The fourth proportional to 587,305,980.80, 879,951,201.60 and 279,936,252.80 is: 419,424,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,305,980.80 : 879,951,201.60 = 279,936,252.80 : x
  2. Step 2: Convert to fraction form
    587,305,980.80/879,951,201.60 = 279,936,252.80/x
  3. Step 3: Cross multiply
    587,305,980.80x = 879,951,201.60 × 279,936,252.80
  4. Step 4: Simplify right side
    587,305,980.80x = 246,330,242,022,761,376
  5. Step 5: Solve for x
    x = 246,330,242,022,761,376/587,305,980.80
  6. Step 6: Final answer
    x = 419,424,031.21

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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.