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Finding the Fourth Proportional to 908,603,916.40, 1,362,905,874.60 and 854,856,204.40

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Solution

The fourth proportional to 908,603,916.40, 1,362,905,874.60 and 854,856,204.40 is: 1,282,284,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,603,916.40 : 1,362,905,874.60 = 854,856,204.40 : x
  2. Step 2: Convert to fraction form
    908,603,916.40/1,362,905,874.60 = 854,856,204.40/x
  3. Step 3: Cross multiply
    908,603,916.40x = 1,362,905,874.60 × 854,856,204.40
  4. Step 4: Simplify right side
    908,603,916.40x = 1,165,088,542,915,018,240
  5. Step 5: Solve for x
    x = 1,165,088,542,915,018,240/908,603,916.40
  6. Step 6: Final answer
    x = 1,282,284,306.60

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