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Finding the Fourth Proportional to 315,026,798.70, 472,398,480.45 and 120,873,686.70

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Solution

The fourth proportional to 315,026,798.70, 472,398,480.45 and 120,873,686.70 is: 181,256,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,026,798.70 : 472,398,480.45 = 120,873,686.70 : x
  2. Step 2: Convert to fraction form
    315,026,798.70/472,398,480.45 = 120,873,686.70/x
  3. Step 3: Cross multiply
    315,026,798.70x = 472,398,480.45 × 120,873,686.70
  4. Step 4: Simplify right side
    315,026,798.70x = 57,100,545,923,469,376
  5. Step 5: Solve for x
    x = 57,100,545,923,469,376/315,026,798.70
  6. Step 6: Final answer
    x = 181,256,153.95

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