Home / 295,585,390.80-443,378,086.20-288,027,118.80

Finding the Fourth Proportional to 295,585,390.80, 443,378,086.20 and 288,027,118.80

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Solution

The fourth proportional to 295,585,390.80, 443,378,086.20 and 288,027,118.80 is: 432,040,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,585,390.80 : 443,378,086.20 = 288,027,118.80 : x
  2. Step 2: Convert to fraction form
    295,585,390.80/443,378,086.20 = 288,027,118.80/x
  3. Step 3: Cross multiply
    295,585,390.80x = 443,378,086.20 × 288,027,118.80
  4. Step 4: Simplify right side
    295,585,390.80x = 127,704,912,707,244,048
  5. Step 5: Solve for x
    x = 127,704,912,707,244,048/295,585,390.80
  6. Step 6: Final answer
    x = 432,040,678.20

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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.