Home / 498,859,660.80-747,729,619.20-240,198,796.80

Finding the Fourth Proportional to 498,859,660.80, 747,729,619.20 and 240,198,796.80

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Solution

The fourth proportional to 498,859,660.80, 747,729,619.20 and 240,198,796.80 is: 360,028,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,859,660.80 : 747,729,619.20 = 240,198,796.80 : x
  2. Step 2: Convert to fraction form
    498,859,660.80/747,729,619.20 = 240,198,796.80/x
  3. Step 3: Cross multiply
    498,859,660.80x = 747,729,619.20 × 240,198,796.80
  4. Step 4: Simplify right side
    498,859,660.80x = 179,603,754,863,562,208
  5. Step 5: Solve for x
    x = 179,603,754,863,562,208/498,859,660.80
  6. Step 6: Final answer
    x = 360,028,619.22

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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.