Home / 485,769,934.14-728,654,314.77-158,244,912.96

Finding the Fourth Proportional to 485,769,934.14, 728,654,314.77 and 158,244,912.96

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Solution

The fourth proportional to 485,769,934.14, 728,654,314.77 and 158,244,912.96 is: 237,367,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,769,934.14 : 728,654,314.77 = 158,244,912.96 : x
  2. Step 2: Convert to fraction form
    485,769,934.14/728,654,314.77 = 158,244,912.96/x
  3. Step 3: Cross multiply
    485,769,934.14x = 728,654,314.77 × 158,244,912.96
  4. Step 4: Simplify right side
    485,769,934.14x = 115,305,838,618,707,088
  5. Step 5: Solve for x
    x = 115,305,838,618,707,088/485,769,934.14
  6. Step 6: Final answer
    x = 237,367,178.40

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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.