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Finding the Fourth Proportional to 331,978,641.40, 498,286,826.70 and 168,401,101.60

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Solution

The fourth proportional to 331,978,641.40, 498,286,826.70 and 168,401,101.60 is: 252,763,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,978,641.40 : 498,286,826.70 = 168,401,101.60 : x
  2. Step 2: Convert to fraction form
    331,978,641.40/498,286,826.70 = 168,401,101.60/x
  3. Step 3: Cross multiply
    331,978,641.40x = 498,286,826.70 × 168,401,101.60
  4. Step 4: Simplify right side
    331,978,641.40x = 83,912,050,529,048,288
  5. Step 5: Solve for x
    x = 83,912,050,529,048,288/331,978,641.40
  6. Step 6: Final answer
    x = 252,763,401.21

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