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Finding the Fourth Proportional to 488,352,729.20, 732,529,093.80 and 422,595,762.80

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Solution

The fourth proportional to 488,352,729.20, 732,529,093.80 and 422,595,762.80 is: 633,893,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,352,729.20 : 732,529,093.80 = 422,595,762.80 : x
  2. Step 2: Convert to fraction form
    488,352,729.20/732,529,093.80 = 422,595,762.80/x
  3. Step 3: Cross multiply
    488,352,729.20x = 732,529,093.80 × 422,595,762.80
  4. Step 4: Simplify right side
    488,352,729.20x = 309,563,691,167,603,712
  5. Step 5: Solve for x
    x = 309,563,691,167,603,712/488,352,729.20
  6. Step 6: Final answer
    x = 633,893,644.20

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