Home / 792,019,928.80-1,187,557,501.20-485,531,999.20

Finding the Fourth Proportional to 792,019,928.80, 1,187,557,501.20 and 485,531,999.20

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Solution

The fourth proportional to 792,019,928.80, 1,187,557,501.20 and 485,531,999.20 is: 728,008,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,019,928.80 : 1,187,557,501.20 = 485,531,999.20 : x
  2. Step 2: Convert to fraction form
    792,019,928.80/1,187,557,501.20 = 485,531,999.20/x
  3. Step 3: Cross multiply
    792,019,928.80x = 1,187,557,501.20 × 485,531,999.20
  4. Step 4: Simplify right side
    792,019,928.80x = 576,597,167,722,592,384
  5. Step 5: Solve for x
    x = 576,597,167,722,592,384/792,019,928.80
  6. Step 6: Final answer
    x = 728,008,408.32

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