Home / 465,121,296.54-641,665,704.20-276,844,019.31

Finding the Fourth Proportional to 465,121,296.54, 641,665,704.20 and 276,844,019.31

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Solution

The fourth proportional to 465,121,296.54, 641,665,704.20 and 276,844,019.31 is: 381,924,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,121,296.54 : 641,665,704.20 = 276,844,019.31 : x
  2. Step 2: Convert to fraction form
    465,121,296.54/641,665,704.20 = 276,844,019.31/x
  3. Step 3: Cross multiply
    465,121,296.54x = 641,665,704.20 × 276,844,019.31
  4. Step 4: Simplify right side
    465,121,296.54x = 177,641,312,602,725,344
  5. Step 5: Solve for x
    x = 177,641,312,602,725,344/465,121,296.54
  6. Step 6: Final answer
    x = 381,924,702.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.