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Finding the Fourth Proportional to 885,007,756.80, 1,324,960,718.40 and 885,007,756.80

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Solution

The fourth proportional to 885,007,756.80, 1,324,960,718.40 and 885,007,756.80 is: 1,324,960,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,007,756.80 : 1,324,960,718.40 = 885,007,756.80 : x
  2. Step 2: Convert to fraction form
    885,007,756.80/1,324,960,718.40 = 885,007,756.80/x
  3. Step 3: Cross multiply
    885,007,756.80x = 1,324,960,718.40 × 885,007,756.80
  4. Step 4: Simplify right side
    885,007,756.80x = 1,172,600,513,239,300,608
  5. Step 5: Solve for x
    x = 1,172,600,513,239,300,608/885,007,756.80
  6. Step 6: Final answer
    x = 1,324,960,718.40

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