Home / 312,171,330.30-467,753,110.65-260,775,080.70

Finding the Fourth Proportional to 312,171,330.30, 467,753,110.65 and 260,775,080.70

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Solution

The fourth proportional to 312,171,330.30, 467,753,110.65 and 260,775,080.70 is: 390,741,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,171,330.30 : 467,753,110.65 = 260,775,080.70 : x
  2. Step 2: Convert to fraction form
    312,171,330.30/467,753,110.65 = 260,775,080.70/x
  3. Step 3: Cross multiply
    312,171,330.30x = 467,753,110.65 × 260,775,080.70
  4. Step 4: Simplify right side
    312,171,330.30x = 121,978,355,177,429,760
  5. Step 5: Solve for x
    x = 121,978,355,177,429,760/312,171,330.30
  6. Step 6: Final answer
    x = 390,741,696.43

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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.