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Finding the Fourth Proportional to 329,652,563.40, 494,478,845.10 and 99,657,145.80

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Solution

The fourth proportional to 329,652,563.40, 494,478,845.10 and 99,657,145.80 is: 149,485,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,652,563.40 : 494,478,845.10 = 99,657,145.80 : x
  2. Step 2: Convert to fraction form
    329,652,563.40/494,478,845.10 = 99,657,145.80/x
  3. Step 3: Cross multiply
    329,652,563.40x = 494,478,845.10 × 99,657,145.80
  4. Step 4: Simplify right side
    329,652,563.40x = 49,278,350,361,146,320
  5. Step 5: Solve for x
    x = 49,278,350,361,146,320/329,652,563.40
  6. Step 6: Final answer
    x = 149,485,718.70

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