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Finding the Fourth Proportional to 533,846,298.80, 800,769,448.20 and 419,184,513.20

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Solution

The fourth proportional to 533,846,298.80, 800,769,448.20 and 419,184,513.20 is: 628,776,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,846,298.80 : 800,769,448.20 = 419,184,513.20 : x
  2. Step 2: Convert to fraction form
    533,846,298.80/800,769,448.20 = 419,184,513.20/x
  3. Step 3: Cross multiply
    533,846,298.80x = 800,769,448.20 × 419,184,513.20
  4. Step 4: Simplify right side
    533,846,298.80x = 335,670,151,329,149,632
  5. Step 5: Solve for x
    x = 335,670,151,329,149,632/533,846,298.80
  6. Step 6: Final answer
    x = 628,776,769.80

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