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Finding the Fourth Proportional to 479,594,197.68, 661,845,410.64 and 281,359,072.32

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Solution

The fourth proportional to 479,594,197.68, 661,845,410.64 and 281,359,072.32 is: 388,278,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,594,197.68 : 661,845,410.64 = 281,359,072.32 : x
  2. Step 2: Convert to fraction form
    479,594,197.68/661,845,410.64 = 281,359,072.32/x
  3. Step 3: Cross multiply
    479,594,197.68x = 661,845,410.64 × 281,359,072.32
  4. Step 4: Simplify right side
    479,594,197.68x = 186,216,210,756,919,840
  5. Step 5: Solve for x
    x = 186,216,210,756,919,840/479,594,197.68
  6. Step 6: Final answer
    x = 388,278,698.24

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