Home / 258,971,260.80-388,456,891.20-227,120,764.80

Finding the Fourth Proportional to 258,971,260.80, 388,456,891.20 and 227,120,764.80

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Solution

The fourth proportional to 258,971,260.80, 388,456,891.20 and 227,120,764.80 is: 340,681,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,971,260.80 : 388,456,891.20 = 227,120,764.80 : x
  2. Step 2: Convert to fraction form
    258,971,260.80/388,456,891.20 = 227,120,764.80/x
  3. Step 3: Cross multiply
    258,971,260.80x = 388,456,891.20 × 227,120,764.80
  4. Step 4: Simplify right side
    258,971,260.80x = 88,226,626,221,174,384
  5. Step 5: Solve for x
    x = 88,226,626,221,174,384/258,971,260.80
  6. Step 6: Final answer
    x = 340,681,147.20

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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.