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Finding the Fourth Proportional to 644,003,136.90, 966,004,705.35 and 644,003,136.90

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Solution

The fourth proportional to 644,003,136.90, 966,004,705.35 and 644,003,136.90 is: 966,004,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,003,136.90 : 966,004,705.35 = 644,003,136.90 : x
  2. Step 2: Convert to fraction form
    644,003,136.90/966,004,705.35 = 644,003,136.90/x
  3. Step 3: Cross multiply
    644,003,136.90x = 966,004,705.35 × 644,003,136.90
  4. Step 4: Simplify right side
    644,003,136.90x = 622,110,060,505,560,192
  5. Step 5: Solve for x
    x = 622,110,060,505,560,192/644,003,136.90
  6. Step 6: Final answer
    x = 966,004,705.35

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