Home / 443,234,865.30-664,852,297.95-259,568,855.70

Finding the Fourth Proportional to 443,234,865.30, 664,852,297.95 and 259,568,855.70

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Solution

The fourth proportional to 443,234,865.30, 664,852,297.95 and 259,568,855.70 is: 389,353,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,865.30 : 664,852,297.95 = 259,568,855.70 : x
  2. Step 2: Convert to fraction form
    443,234,865.30/664,852,297.95 = 259,568,855.70/x
  3. Step 3: Cross multiply
    443,234,865.30x = 664,852,297.95 × 259,568,855.70
  4. Step 4: Simplify right side
    443,234,865.30x = 172,574,950,188,396,960
  5. Step 5: Solve for x
    x = 172,574,950,188,396,960/443,234,865.30
  6. Step 6: Final answer
    x = 389,353,283.55

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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.