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Finding the Fourth Proportional to 339,978,658.60, 509,967,987.90 and 110,112,711.40

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Solution

The fourth proportional to 339,978,658.60, 509,967,987.90 and 110,112,711.40 is: 165,169,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,978,658.60 : 509,967,987.90 = 110,112,711.40 : x
  2. Step 2: Convert to fraction form
    339,978,658.60/509,967,987.90 = 110,112,711.40/x
  3. Step 3: Cross multiply
    339,978,658.60x = 509,967,987.90 × 110,112,711.40
  4. Step 4: Simplify right side
    339,978,658.60x = 56,153,957,874,871,392
  5. Step 5: Solve for x
    x = 56,153,957,874,871,392/339,978,658.60
  6. Step 6: Final answer
    x = 165,169,067.10

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