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Finding the Fourth Proportional to 7,978,176,426.60, 11,187,813,598.20 and 7,978,176,426.60

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Solution

The fourth proportional to 7,978,176,426.60, 11,187,813,598.20 and 7,978,176,426.60 is: 11,187,813,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,426.60 : 11,187,813,598.20 = 7,978,176,426.60 : x
  2. Step 2: Convert to fraction form
    7,978,176,426.60/11,187,813,598.20 = 7,978,176,426.60/x
  3. Step 3: Cross multiply
    7,978,176,426.60x = 11,187,813,598.20 × 7,978,176,426.60
  4. Step 4: Simplify right side
    7,978,176,426.60x = 89,258,350,714,354,171,904
  5. Step 5: Solve for x
    x = 89,258,350,714,354,171,904/7,978,176,426.60
  6. Step 6: Final answer
    x = 11,187,813,598.20

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Why These Related Problems?

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