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Finding the Fourth Proportional to 293,558,846.40, 440,621,704.80 and 178,767,590.40

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Solution

The fourth proportional to 293,558,846.40, 440,621,704.80 and 178,767,590.40 is: 268,323,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,558,846.40 : 440,621,704.80 = 178,767,590.40 : x
  2. Step 2: Convert to fraction form
    293,558,846.40/440,621,704.80 = 178,767,590.40/x
  3. Step 3: Cross multiply
    293,558,846.40x = 440,621,704.80 × 178,767,590.40
  4. Step 4: Simplify right side
    293,558,846.40x = 78,768,880,445,036,112
  5. Step 5: Solve for x
    x = 78,768,880,445,036,112/293,558,846.40
  6. Step 6: Final answer
    x = 268,323,988.23

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