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Finding the Fourth Proportional to 236,197,114.70, 354,295,672.05 and 218,978,426.30

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Solution

The fourth proportional to 236,197,114.70, 354,295,672.05 and 218,978,426.30 is: 328,467,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,114.70 : 354,295,672.05 = 218,978,426.30 : x
  2. Step 2: Convert to fraction form
    236,197,114.70/354,295,672.05 = 218,978,426.30/x
  3. Step 3: Cross multiply
    236,197,114.70x = 354,295,672.05 × 218,978,426.30
  4. Step 4: Simplify right side
    236,197,114.70x = 77,583,108,710,409,904
  5. Step 5: Solve for x
    x = 77,583,108,710,409,904/236,197,114.70
  6. Step 6: Final answer
    x = 328,467,639.45

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