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Finding the Fourth Proportional to 526,535,998.40, 789,803,997.60 and 268,255,672.40

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Solution

The fourth proportional to 526,535,998.40, 789,803,997.60 and 268,255,672.40 is: 402,383,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,535,998.40 : 789,803,997.60 = 268,255,672.40 : x
  2. Step 2: Convert to fraction form
    526,535,998.40/789,803,997.60 = 268,255,672.40/x
  3. Step 3: Cross multiply
    526,535,998.40x = 789,803,997.60 × 268,255,672.40
  4. Step 4: Simplify right side
    526,535,998.40x = 211,869,402,440,396,000
  5. Step 5: Solve for x
    x = 211,869,402,440,396,000/526,535,998.40
  6. Step 6: Final answer
    x = 402,383,508.60

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