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Finding the Fourth Proportional to 547,859,978.64, 756,046,705.32 and 300,343,081.68

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Solution

The fourth proportional to 547,859,978.64, 756,046,705.32 and 300,343,081.68 is: 414,473,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,859,978.64 : 756,046,705.32 = 300,343,081.68 : x
  2. Step 2: Convert to fraction form
    547,859,978.64/756,046,705.32 = 300,343,081.68/x
  3. Step 3: Cross multiply
    547,859,978.64x = 756,046,705.32 × 300,343,081.68
  4. Step 4: Simplify right side
    547,859,978.64x = 227,073,397,369,819,680
  5. Step 5: Solve for x
    x = 227,073,397,369,819,680/547,859,978.64
  6. Step 6: Final answer
    x = 414,473,416.97

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Why These Related Problems?

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