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Finding the Fourth Proportional to 885,744,811.80, 1,328,617,218.24 and 885,744,811.80

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Solution

The fourth proportional to 885,744,811.80, 1,328,617,218.24 and 885,744,811.80 is: 1,328,617,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,744,811.80 : 1,328,617,218.24 = 885,744,811.80 : x
  2. Step 2: Convert to fraction form
    885,744,811.80/1,328,617,218.24 = 885,744,811.80/x
  3. Step 3: Cross multiply
    885,744,811.80x = 1,328,617,218.24 × 885,744,811.80
  4. Step 4: Simplify right side
    885,744,811.80x = 1,176,815,807,924,228,352
  5. Step 5: Solve for x
    x = 1,176,815,807,924,228,352/885,744,811.80
  6. Step 6: Final answer
    x = 1,328,617,218.24

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