Home / 665,856,029.80-998,784,044.70-448,177,796.20

Finding the Fourth Proportional to 665,856,029.80, 998,784,044.70 and 448,177,796.20

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Solution

The fourth proportional to 665,856,029.80, 998,784,044.70 and 448,177,796.20 is: 672,266,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,856,029.80 : 998,784,044.70 = 448,177,796.20 : x
  2. Step 2: Convert to fraction form
    665,856,029.80/998,784,044.70 = 448,177,796.20/x
  3. Step 3: Cross multiply
    665,856,029.80x = 998,784,044.70 × 448,177,796.20
  4. Step 4: Simplify right side
    665,856,029.80x = 447,632,832,033,368,320
  5. Step 5: Solve for x
    x = 447,632,832,033,368,320/665,856,029.80
  6. Step 6: Final answer
    x = 672,266,694.30

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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.