Home / 664,242,891.80-996,931,208.10-296,344,002.20

Finding the Fourth Proportional to 664,242,891.80, 996,931,208.10 and 296,344,002.20

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Solution

The fourth proportional to 664,242,891.80, 996,931,208.10 and 296,344,002.20 is: 444,768,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,242,891.80 : 996,931,208.10 = 296,344,002.20 : x
  2. Step 2: Convert to fraction form
    664,242,891.80/996,931,208.10 = 296,344,002.20/x
  3. Step 3: Cross multiply
    664,242,891.80x = 996,931,208.10 × 296,344,002.20
  4. Step 4: Simplify right side
    664,242,891.80x = 295,434,584,126,435,072
  5. Step 5: Solve for x
    x = 295,434,584,126,435,072/664,242,891.80
  6. Step 6: Final answer
    x = 444,768,905.73

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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.