Home / 279,936,005.10-419,904,007.65-254,405,841.90

Finding the Fourth Proportional to 279,936,005.10, 419,904,007.65 and 254,405,841.90

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Solution

The fourth proportional to 279,936,005.10, 419,904,007.65 and 254,405,841.90 is: 381,608,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,005.10 : 419,904,007.65 = 254,405,841.90 : x
  2. Step 2: Convert to fraction form
    279,936,005.10/419,904,007.65 = 254,405,841.90/x
  3. Step 3: Cross multiply
    279,936,005.10x = 419,904,007.65 × 254,405,841.90
  4. Step 4: Simplify right side
    279,936,005.10x = 106,826,032,583,382,288
  5. Step 5: Solve for x
    x = 106,826,032,583,382,288/279,936,005.10
  6. Step 6: Final answer
    x = 381,608,762.85

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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.