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Finding the Fourth Proportional to 469,864,921.20, 704,797,381.80 and 400,328,818.80

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Solution

The fourth proportional to 469,864,921.20, 704,797,381.80 and 400,328,818.80 is: 600,493,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,864,921.20 : 704,797,381.80 = 400,328,818.80 : x
  2. Step 2: Convert to fraction form
    469,864,921.20/704,797,381.80 = 400,328,818.80/x
  3. Step 3: Cross multiply
    469,864,921.20x = 704,797,381.80 × 400,328,818.80
  4. Step 4: Simplify right side
    469,864,921.20x = 282,150,703,349,326,592
  5. Step 5: Solve for x
    x = 282,150,703,349,326,592/469,864,921.20
  6. Step 6: Final answer
    x = 600,493,228.20

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