Home / 278,328,966.40-417,493,449.60-169,489,849.60

Finding the Fourth Proportional to 278,328,966.40, 417,493,449.60 and 169,489,849.60

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Solution

The fourth proportional to 278,328,966.40, 417,493,449.60 and 169,489,849.60 is: 254,234,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,328,966.40 : 417,493,449.60 = 169,489,849.60 : x
  2. Step 2: Convert to fraction form
    278,328,966.40/417,493,449.60 = 169,489,849.60/x
  3. Step 3: Cross multiply
    278,328,966.40x = 417,493,449.60 × 169,489,849.60
  4. Step 4: Simplify right side
    278,328,966.40x = 70,760,901,981,689,184
  5. Step 5: Solve for x
    x = 70,760,901,981,689,184/278,328,966.40
  6. Step 6: Final answer
    x = 254,234,774.40

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