Home / 382,795,646.80-574,193,470.20-188,799,998.80

Finding the Fourth Proportional to 382,795,646.80, 574,193,470.20 and 188,799,998.80

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Solution

The fourth proportional to 382,795,646.80, 574,193,470.20 and 188,799,998.80 is: 283,199,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,795,646.80 : 574,193,470.20 = 188,799,998.80 : x
  2. Step 2: Convert to fraction form
    382,795,646.80/574,193,470.20 = 188,799,998.80/x
  3. Step 3: Cross multiply
    382,795,646.80x = 574,193,470.20 × 188,799,998.80
  4. Step 4: Simplify right side
    382,795,646.80x = 108,407,726,484,727,856
  5. Step 5: Solve for x
    x = 108,407,726,484,727,856/382,795,646.80
  6. Step 6: Final answer
    x = 283,199,998.20

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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.