Home / 295,489,200.30-443,233,800.45-198,743,318.70

Finding the Fourth Proportional to 295,489,200.30, 443,233,800.45 and 198,743,318.70

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Solution

The fourth proportional to 295,489,200.30, 443,233,800.45 and 198,743,318.70 is: 298,114,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,200.30 : 443,233,800.45 = 198,743,318.70 : x
  2. Step 2: Convert to fraction form
    295,489,200.30/443,233,800.45 = 198,743,318.70/x
  3. Step 3: Cross multiply
    295,489,200.30x = 443,233,800.45 × 198,743,318.70
  4. Step 4: Simplify right side
    295,489,200.30x = 88,089,756,461,446,544
  5. Step 5: Solve for x
    x = 88,089,756,461,446,544/295,489,200.30
  6. Step 6: Final answer
    x = 298,114,978.05

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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.