Home / 659,234,344.80-989,008,981.20-199,177,024.80

Finding the Fourth Proportional to 659,234,344.80, 989,008,981.20 and 199,177,024.80

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Solution

The fourth proportional to 659,234,344.80, 989,008,981.20 and 199,177,024.80 is: 298,813,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,234,344.80 : 989,008,981.20 = 199,177,024.80 : x
  2. Step 2: Convert to fraction form
    659,234,344.80/989,008,981.20 = 199,177,024.80/x
  3. Step 3: Cross multiply
    659,234,344.80x = 989,008,981.20 × 199,177,024.80
  4. Step 4: Simplify right side
    659,234,344.80x = 196,987,866,375,895,168
  5. Step 5: Solve for x
    x = 196,987,866,375,895,168/659,234,344.80
  6. Step 6: Final answer
    x = 298,813,112.41

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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.