Home / 298,936,098.10-448,404,147.15-280,760,815.90

Finding the Fourth Proportional to 298,936,098.10, 448,404,147.15 and 280,760,815.90

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Solution

The fourth proportional to 298,936,098.10, 448,404,147.15 and 280,760,815.90 is: 421,141,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,098.10 : 448,404,147.15 = 280,760,815.90 : x
  2. Step 2: Convert to fraction form
    298,936,098.10/448,404,147.15 = 280,760,815.90/x
  3. Step 3: Cross multiply
    298,936,098.10x = 448,404,147.15 × 280,760,815.90
  4. Step 4: Simplify right side
    298,936,098.10x = 125,894,314,206,777,648
  5. Step 5: Solve for x
    x = 125,894,314,206,777,648/298,936,098.10
  6. Step 6: Final answer
    x = 421,141,223.85

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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.