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Finding the Fourth Proportional to 289,940,986.60, 400,118,627.46 and 159,560,794.60

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Solution

The fourth proportional to 289,940,986.60, 400,118,627.46 and 159,560,794.60 is: 220,193,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,986.60 : 400,118,627.46 = 159,560,794.60 : x
  2. Step 2: Convert to fraction form
    289,940,986.60/400,118,627.46 = 159,560,794.60/x
  3. Step 3: Cross multiply
    289,940,986.60x = 400,118,627.46 × 159,560,794.60
  4. Step 4: Simplify right side
    289,940,986.60x = 63,843,246,131,778,976
  5. Step 5: Solve for x
    x = 63,843,246,131,778,976/289,940,986.60
  6. Step 6: Final answer
    x = 220,193,932.84

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