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Finding the Fourth Proportional to 367,415,999.20, 551,123,998.80 and 330,002,552.80

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Solution

The fourth proportional to 367,415,999.20, 551,123,998.80 and 330,002,552.80 is: 495,003,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415,999.20 : 551,123,998.80 = 330,002,552.80 : x
  2. Step 2: Convert to fraction form
    367,415,999.20/551,123,998.80 = 330,002,552.80/x
  3. Step 3: Cross multiply
    367,415,999.20x = 551,123,998.80 × 330,002,552.80
  4. Step 4: Simplify right side
    367,415,999.20x = 181,872,326,513,344,128
  5. Step 5: Solve for x
    x = 181,872,326,513,344,128/367,415,999.20
  6. Step 6: Final answer
    x = 495,003,829.20

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