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Finding the Fourth Proportional to 2,640,198,889,323.40, 3,960,298,333,985.10 and 2,640,198,889,323.40

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Solution

The fourth proportional to 2,640,198,889,323.40, 3,960,298,333,985.10 and 2,640,198,889,323.40 is: 3,960,298,333,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,198,889,323.40 : 3,960,298,333,985.10 = 2,640,198,889,323.40 : x
  2. Step 2: Convert to fraction form
    2,640,198,889,323.40/3,960,298,333,985.10 = 2,640,198,889,323.40/x
  3. Step 3: Cross multiply
    2,640,198,889,323.40x = 3,960,298,333,985.10 × 2,640,198,889,323.40
  4. Step 4: Simplify right side
    2,640,198,889,323.40x = 10,455,975,262,776,772,192,632,832
  5. Step 5: Solve for x
    x = 10,455,975,262,776,772,192,632,832/2,640,198,889,323.40
  6. Step 6: Final answer
    x = 3,960,298,333,985.10

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