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Finding the Fourth Proportional to 916,998,413.80, 1,375,497,620.70 and 590,481,063.40

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Solution

The fourth proportional to 916,998,413.80, 1,375,497,620.70 and 590,481,063.40 is: 885,721,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,998,413.80 : 1,375,497,620.70 = 590,481,063.40 : x
  2. Step 2: Convert to fraction form
    916,998,413.80/1,375,497,620.70 = 590,481,063.40/x
  3. Step 3: Cross multiply
    916,998,413.80x = 1,375,497,620.70 × 590,481,063.40
  4. Step 4: Simplify right side
    916,998,413.80x = 812,205,297,775,105,792
  5. Step 5: Solve for x
    x = 812,205,297,775,105,792/916,998,413.80
  6. Step 6: Final answer
    x = 885,721,595.10

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