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Finding the Fourth Proportional to 557,638,776.80, 836,458,165.20 and 327,718,008.80

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Solution

The fourth proportional to 557,638,776.80, 836,458,165.20 and 327,718,008.80 is: 491,577,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,638,776.80 : 836,458,165.20 = 327,718,008.80 : x
  2. Step 2: Convert to fraction form
    557,638,776.80/836,458,165.20 = 327,718,008.80/x
  3. Step 3: Cross multiply
    557,638,776.80x = 836,458,165.20 × 327,718,008.80
  4. Step 4: Simplify right side
    557,638,776.80x = 274,122,404,343,845,472
  5. Step 5: Solve for x
    x = 274,122,404,343,845,472/557,638,776.80
  6. Step 6: Final answer
    x = 491,577,013.20

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