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Finding the Fourth Proportional to 338,978,652.80, 508,534,334.40 and 144,889,692.80

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Solution

The fourth proportional to 338,978,652.80, 508,534,334.40 and 144,889,692.80 is: 217,362,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,978,652.80 : 508,534,334.40 = 144,889,692.80 : x
  2. Step 2: Convert to fraction form
    338,978,652.80/508,534,334.40 = 144,889,692.80/x
  3. Step 3: Cross multiply
    338,978,652.80x = 508,534,334.40 × 144,889,692.80
  4. Step 4: Simplify right side
    338,978,652.80x = 73,681,383,489,468,480
  5. Step 5: Solve for x
    x = 73,681,383,489,468,480/338,978,652.80
  6. Step 6: Final answer
    x = 217,362,901.41

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