Home / 278,170,296.95-417,530,059.19-208,841,969.27

Finding the Fourth Proportional to 278,170,296.95, 417,530,059.19 and 208,841,969.27

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Solution

The fourth proportional to 278,170,296.95, 417,530,059.19 and 208,841,969.27 is: 313,469,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,170,296.95 : 417,530,059.19 = 208,841,969.27 : x
  2. Step 2: Convert to fraction form
    278,170,296.95/417,530,059.19 = 208,841,969.27/x
  3. Step 3: Cross multiply
    278,170,296.95x = 417,530,059.19 × 208,841,969.27
  4. Step 4: Simplify right side
    278,170,296.95x = 87,197,799,789,615,056
  5. Step 5: Solve for x
    x = 87,197,799,789,615,056/278,170,296.95
  6. Step 6: Final answer
    x = 313,469,125.73

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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.