Home / 412,055,628.20-568,636,636.41-226,428,601.31

Finding the Fourth Proportional to 412,055,628.20, 568,636,636.41 and 226,428,601.31

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Solution

The fourth proportional to 412,055,628.20, 568,636,636.41 and 226,428,601.31 is: 312,471,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,055,628.20 : 568,636,636.41 = 226,428,601.31 : x
  2. Step 2: Convert to fraction form
    412,055,628.20/568,636,636.41 = 226,428,601.31/x
  3. Step 3: Cross multiply
    412,055,628.20x = 568,636,636.41 × 226,428,601.31
  4. Step 4: Simplify right side
    412,055,628.20x = 128,755,598,235,939,312
  5. Step 5: Solve for x
    x = 128,755,598,235,939,312/412,055,628.20
  6. Step 6: Final answer
    x = 312,471,398.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.