Home / 499,367,260.80-749,050,891.20-135,861,616.80

Finding the Fourth Proportional to 499,367,260.80, 749,050,891.20 and 135,861,616.80

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Solution

The fourth proportional to 499,367,260.80, 749,050,891.20 and 135,861,616.80 is: 203,792,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,367,260.80 : 749,050,891.20 = 135,861,616.80 : x
  2. Step 2: Convert to fraction form
    499,367,260.80/749,050,891.20 = 135,861,616.80/x
  3. Step 3: Cross multiply
    499,367,260.80x = 749,050,891.20 × 135,861,616.80
  4. Step 4: Simplify right side
    499,367,260.80x = 101,767,265,143,912,912
  5. Step 5: Solve for x
    x = 101,767,265,143,912,912/499,367,260.80
  6. Step 6: Final answer
    x = 203,792,425.20

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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.