Home / 479,101,200.30-718,651,800.45-206,471,967.30

Finding the Fourth Proportional to 479,101,200.30, 718,651,800.45 and 206,471,967.30

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Solution

The fourth proportional to 479,101,200.30, 718,651,800.45 and 206,471,967.30 is: 309,707,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,101,200.30 : 718,651,800.45 = 206,471,967.30 : x
  2. Step 2: Convert to fraction form
    479,101,200.30/718,651,800.45 = 206,471,967.30/x
  3. Step 3: Cross multiply
    479,101,200.30x = 718,651,800.45 × 206,471,967.30
  4. Step 4: Simplify right side
    479,101,200.30x = 148,381,451,042,598,528
  5. Step 5: Solve for x
    x = 148,381,451,042,598,528/479,101,200.30
  6. Step 6: Final answer
    x = 309,707,950.95

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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.