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Finding the Fourth Proportional to 646,901,376.80, 970,352,065.20 and 577,029,351.20

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Solution

The fourth proportional to 646,901,376.80, 970,352,065.20 and 577,029,351.20 is: 865,544,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,901,376.80 : 970,352,065.20 = 577,029,351.20 : x
  2. Step 2: Convert to fraction form
    646,901,376.80/970,352,065.20 = 577,029,351.20/x
  3. Step 3: Cross multiply
    646,901,376.80x = 970,352,065.20 × 577,029,351.20
  4. Step 4: Simplify right side
    646,901,376.80x = 559,921,622,617,936,192
  5. Step 5: Solve for x
    x = 559,921,622,617,936,192/646,901,376.80
  6. Step 6: Final answer
    x = 865,544,026.80

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