Home / 493,057,138.80-739,585,708.20-238,253,170.80

Finding the Fourth Proportional to 493,057,138.80, 739,585,708.20 and 238,253,170.80

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Solution

The fourth proportional to 493,057,138.80, 739,585,708.20 and 238,253,170.80 is: 357,379,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,057,138.80 : 739,585,708.20 = 238,253,170.80 : x
  2. Step 2: Convert to fraction form
    493,057,138.80/739,585,708.20 = 238,253,170.80/x
  3. Step 3: Cross multiply
    493,057,138.80x = 739,585,708.20 × 238,253,170.80
  4. Step 4: Simplify right side
    493,057,138.80x = 176,208,640,057,013,568
  5. Step 5: Solve for x
    x = 176,208,640,057,013,568/493,057,138.80
  6. Step 6: Final answer
    x = 357,379,756.20

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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.