Home / 485,111,518.60-727,667,277.90-194,118,046.60

Finding the Fourth Proportional to 485,111,518.60, 727,667,277.90 and 194,118,046.60

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Solution

The fourth proportional to 485,111,518.60, 727,667,277.90 and 194,118,046.60 is: 291,177,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,111,518.60 : 727,667,277.90 = 194,118,046.60 : x
  2. Step 2: Convert to fraction form
    485,111,518.60/727,667,277.90 = 194,118,046.60/x
  3. Step 3: Cross multiply
    485,111,518.60x = 727,667,277.90 × 194,118,046.60
  4. Step 4: Simplify right side
    485,111,518.60x = 141,253,350,560,687,344
  5. Step 5: Solve for x
    x = 141,253,350,560,687,344/485,111,518.60
  6. Step 6: Final answer
    x = 291,177,069.90

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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.