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Finding the Fourth Proportional to 393,940,404.36, 590,922,644.76 and 135,151,994.52

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Solution

The fourth proportional to 393,940,404.36, 590,922,644.76 and 135,151,994.52 is: 202,732,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,940,404.36 : 590,922,644.76 = 135,151,994.52 : x
  2. Step 2: Convert to fraction form
    393,940,404.36/590,922,644.76 = 135,151,994.52/x
  3. Step 3: Cross multiply
    393,940,404.36x = 590,922,644.76 × 135,151,994.52
  4. Step 4: Simplify right side
    393,940,404.36x = 79,864,374,046,347,424
  5. Step 5: Solve for x
    x = 79,864,374,046,347,424/393,940,404.36
  6. Step 6: Final answer
    x = 202,732,121.82

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