Home / 738,474,105.60-1,107,769,813.92-247,189,968.72

Finding the Fourth Proportional to 738,474,105.60, 1,107,769,813.92 and 247,189,968.72

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Solution

The fourth proportional to 738,474,105.60, 1,107,769,813.92 and 247,189,968.72 is: 370,804,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,474,105.60 : 1,107,769,813.92 = 247,189,968.72 : x
  2. Step 2: Convert to fraction form
    738,474,105.60/1,107,769,813.92 = 247,189,968.72/x
  3. Step 3: Cross multiply
    738,474,105.60x = 1,107,769,813.92 × 247,189,968.72
  4. Step 4: Simplify right side
    738,474,105.60x = 273,829,585,651,845,024
  5. Step 5: Solve for x
    x = 273,829,585,651,845,024/738,474,105.60
  6. Step 6: Final answer
    x = 370,804,586.88

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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.