Home / 479,101,200.80-718,651,801.20-206,471,967.80

Finding the Fourth Proportional to 479,101,200.80, 718,651,801.20 and 206,471,967.80

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Solution

The fourth proportional to 479,101,200.80, 718,651,801.20 and 206,471,967.80 is: 309,707,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,101,200.80 : 718,651,801.20 = 206,471,967.80 : x
  2. Step 2: Convert to fraction form
    479,101,200.80/718,651,801.20 = 206,471,967.80/x
  3. Step 3: Cross multiply
    479,101,200.80x = 718,651,801.20 × 206,471,967.80
  4. Step 4: Simplify right side
    479,101,200.80x = 148,381,451,556,778,432
  5. Step 5: Solve for x
    x = 148,381,451,556,778,432/479,101,200.80
  6. Step 6: Final answer
    x = 309,707,951.70

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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.