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Finding the Fourth Proportional to 533,559,991.90, 800,339,987.85 and 442,860,727.90

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Solution

The fourth proportional to 533,559,991.90, 800,339,987.85 and 442,860,727.90 is: 664,291,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,991.90 : 800,339,987.85 = 442,860,727.90 : x
  2. Step 2: Convert to fraction form
    533,559,991.90/800,339,987.85 = 442,860,727.90/x
  3. Step 3: Cross multiply
    533,559,991.90x = 800,339,987.85 × 442,860,727.90
  4. Step 4: Simplify right side
    533,559,991.90x = 354,439,149,586,728,128
  5. Step 5: Solve for x
    x = 354,439,149,586,728,128/533,559,991.90
  6. Step 6: Final answer
    x = 664,291,091.85

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