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Finding the Fourth Proportional to 626,347,484.26, 864,263,443.07 and 361,978,425.88

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Solution

The fourth proportional to 626,347,484.26, 864,263,443.07 and 361,978,425.88 is: 499,474,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,347,484.26 : 864,263,443.07 = 361,978,425.88 : x
  2. Step 2: Convert to fraction form
    626,347,484.26/864,263,443.07 = 361,978,425.88/x
  3. Step 3: Cross multiply
    626,347,484.26x = 864,263,443.07 × 361,978,425.88
  4. Step 4: Simplify right side
    626,347,484.26x = 312,844,720,666,851,904
  5. Step 5: Solve for x
    x = 312,844,720,666,851,904/626,347,484.26
  6. Step 6: Final answer
    x = 499,474,698.20

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Why These Related Problems?

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