Home / 440,383,323.06-660,138,651.72-206,795,890.56

Finding the Fourth Proportional to 440,383,323.06, 660,138,651.72 and 206,795,890.56

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Solution

The fourth proportional to 440,383,323.06, 660,138,651.72 and 206,795,890.56 is: 309,988,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,383,323.06 : 660,138,651.72 = 206,795,890.56 : x
  2. Step 2: Convert to fraction form
    440,383,323.06/660,138,651.72 = 206,795,890.56/x
  3. Step 3: Cross multiply
    440,383,323.06x = 660,138,651.72 × 206,795,890.56
  4. Step 4: Simplify right side
    440,383,323.06x = 136,513,960,375,515,088
  5. Step 5: Solve for x
    x = 136,513,960,375,515,088/440,383,323.06
  6. Step 6: Final answer
    x = 309,988,941.97

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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.