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Finding the Fourth Proportional to 426,562,400.40, 639,843,600.60 and 377,244,675.60

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Solution

The fourth proportional to 426,562,400.40, 639,843,600.60 and 377,244,675.60 is: 565,867,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,562,400.40 : 639,843,600.60 = 377,244,675.60 : x
  2. Step 2: Convert to fraction form
    426,562,400.40/639,843,600.60 = 377,244,675.60/x
  3. Step 3: Cross multiply
    426,562,400.40x = 639,843,600.60 × 377,244,675.60
  4. Step 4: Simplify right side
    426,562,400.40x = 241,377,591,543,082,976
  5. Step 5: Solve for x
    x = 241,377,591,543,082,976/426,562,400.40
  6. Step 6: Final answer
    x = 565,867,013.40

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