Home / 295,488,910.20-443,233,365.30-289,442,292.60

Finding the Fourth Proportional to 295,488,910.20, 443,233,365.30 and 289,442,292.60

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Solution

The fourth proportional to 295,488,910.20, 443,233,365.30 and 289,442,292.60 is: 434,163,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,910.20 : 443,233,365.30 = 289,442,292.60 : x
  2. Step 2: Convert to fraction form
    295,488,910.20/443,233,365.30 = 289,442,292.60/x
  3. Step 3: Cross multiply
    295,488,910.20x = 443,233,365.30 × 289,442,292.60
  4. Step 4: Simplify right side
    295,488,910.20x = 128,290,481,409,245,296
  5. Step 5: Solve for x
    x = 128,290,481,409,245,296/295,488,910.20
  6. Step 6: Final answer
    x = 434,163,438.90

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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.