Home / 298,977,760.30-448,466,640.45-296,962,221.10

Finding the Fourth Proportional to 298,977,760.30, 448,466,640.45 and 296,962,221.10

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Solution

The fourth proportional to 298,977,760.30, 448,466,640.45 and 296,962,221.10 is: 445,443,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,977,760.30 : 448,466,640.45 = 296,962,221.10 : x
  2. Step 2: Convert to fraction form
    298,977,760.30/448,466,640.45 = 296,962,221.10/x
  3. Step 3: Cross multiply
    298,977,760.30x = 448,466,640.45 × 296,962,221.10
  4. Step 4: Simplify right side
    298,977,760.30x = 133,177,649,637,287,104
  5. Step 5: Solve for x
    x = 133,177,649,637,287,104/298,977,760.30
  6. Step 6: Final answer
    x = 445,443,331.65

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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.