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Finding the Fourth Proportional to 314,928,434.80, 472,392,652.20 and 303,449,309.20

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Solution

The fourth proportional to 314,928,434.80, 472,392,652.20 and 303,449,309.20 is: 455,173,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,434.80 : 472,392,652.20 = 303,449,309.20 : x
  2. Step 2: Convert to fraction form
    314,928,434.80/472,392,652.20 = 303,449,309.20/x
  3. Step 3: Cross multiply
    314,928,434.80x = 472,392,652.20 × 303,449,309.20
  4. Step 4: Simplify right side
    314,928,434.80x = 143,347,223,981,245,856
  5. Step 5: Solve for x
    x = 143,347,223,981,245,856/314,928,434.80
  6. Step 6: Final answer
    x = 455,173,963.80

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