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Finding the Fourth Proportional to 873,453,603.90, 1,310,180,405.85 and 414,288,579.90

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Solution

The fourth proportional to 873,453,603.90, 1,310,180,405.85 and 414,288,579.90 is: 621,432,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,453,603.90 : 1,310,180,405.85 = 414,288,579.90 : x
  2. Step 2: Convert to fraction form
    873,453,603.90/1,310,180,405.85 = 414,288,579.90/x
  3. Step 3: Cross multiply
    873,453,603.90x = 1,310,180,405.85 × 414,288,579.90
  4. Step 4: Simplify right side
    873,453,603.90x = 542,792,779,752,402,112
  5. Step 5: Solve for x
    x = 542,792,779,752,402,112/873,453,603.90
  6. Step 6: Final answer
    x = 621,432,869.85

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