Home / 265,729,306.80-398,593,960.20-197,704,858.80

Finding the Fourth Proportional to 265,729,306.80, 398,593,960.20 and 197,704,858.80

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Solution

The fourth proportional to 265,729,306.80, 398,593,960.20 and 197,704,858.80 is: 296,557,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,729,306.80 : 398,593,960.20 = 197,704,858.80 : x
  2. Step 2: Convert to fraction form
    265,729,306.80/398,593,960.20 = 197,704,858.80/x
  3. Step 3: Cross multiply
    265,729,306.80x = 398,593,960.20 × 197,704,858.80
  4. Step 4: Simplify right side
    265,729,306.80x = 78,803,962,619,873,824
  5. Step 5: Solve for x
    x = 78,803,962,619,873,824/265,729,306.80
  6. Step 6: Final answer
    x = 296,557,288.20

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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.