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Finding the Fourth Proportional to 331,998,978.83, 498,170,814.77 and 135,406,620.29

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Solution

The fourth proportional to 331,998,978.83, 498,170,814.77 and 135,406,620.29 is: 203,180,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,998,978.83 : 498,170,814.77 = 135,406,620.29 : x
  2. Step 2: Convert to fraction form
    331,998,978.83/498,170,814.77 = 135,406,620.29/x
  3. Step 3: Cross multiply
    331,998,978.83x = 498,170,814.77 × 135,406,620.29
  4. Step 4: Simplify right side
    331,998,978.83x = 67,455,626,356,705,248
  5. Step 5: Solve for x
    x = 67,455,626,356,705,248/331,998,978.83
  6. Step 6: Final answer
    x = 203,180,222.41

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