Home / 498,231,007.20-747,346,510.80-239,383,810.80

Finding the Fourth Proportional to 498,231,007.20, 747,346,510.80 and 239,383,810.80

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Solution

The fourth proportional to 498,231,007.20, 747,346,510.80 and 239,383,810.80 is: 359,075,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,231,007.20 : 747,346,510.80 = 239,383,810.80 : x
  2. Step 2: Convert to fraction form
    498,231,007.20/747,346,510.80 = 239,383,810.80/x
  3. Step 3: Cross multiply
    498,231,007.20x = 747,346,510.80 × 239,383,810.80
  4. Step 4: Simplify right side
    498,231,007.20x = 178,902,655,743,387,360
  5. Step 5: Solve for x
    x = 178,902,655,743,387,360/498,231,007.20
  6. Step 6: Final answer
    x = 359,075,716.20

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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.