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Finding the Fourth Proportional to 1,794,456,448.80, 2,694,456,039.60 and 978,163,072.80

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Solution

The fourth proportional to 1,794,456,448.80, 2,694,456,039.60 and 978,163,072.80 is: 1,468,755,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,456,448.80 : 2,694,456,039.60 = 978,163,072.80 : x
  2. Step 2: Convert to fraction form
    1,794,456,448.80/2,694,456,039.60 = 978,163,072.80/x
  3. Step 3: Cross multiply
    1,794,456,448.80x = 2,694,456,039.60 × 978,163,072.80
  4. Step 4: Simplify right side
    1,794,456,448.80x = 2,635,617,399,219,654,144
  5. Step 5: Solve for x
    x = 2,635,617,399,219,654,144/1,794,456,448.80
  6. Step 6: Final answer
    x = 1,468,755,288.53

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