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Finding the Fourth Proportional to 696,561,767.12, 1,044,993,816.12 and 211,874,978

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Solution

The fourth proportional to 696,561,767.12, 1,044,993,816.12 and 211,874,978 is: 317,858,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,561,767.12 : 1,044,993,816.12 = 211,874,978 : x
  2. Step 2: Convert to fraction form
    696,561,767.12/1,044,993,816.12 = 211,874,978/x
  3. Step 3: Cross multiply
    696,561,767.12x = 1,044,993,816.12 × 211,874,978
  4. Step 4: Simplify right side
    696,561,767.12x = 221,408,041,800,561,056
  5. Step 5: Solve for x
    x = 221,408,041,800,561,056/696,561,767.12
  6. Step 6: Final answer
    x = 317,858,447.38

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