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Finding the Fourth Proportional to 399,403,336.40, 599,105,004.60 and 384,097,835.60

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Solution

The fourth proportional to 399,403,336.40, 599,105,004.60 and 384,097,835.60 is: 576,146,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,403,336.40 : 599,105,004.60 = 384,097,835.60 : x
  2. Step 2: Convert to fraction form
    399,403,336.40/599,105,004.60 = 384,097,835.60/x
  3. Step 3: Cross multiply
    399,403,336.40x = 599,105,004.60 × 384,097,835.60
  4. Step 4: Simplify right side
    399,403,336.40x = 230,114,935,563,988,064
  5. Step 5: Solve for x
    x = 230,114,935,563,988,064/399,403,336.40
  6. Step 6: Final answer
    x = 576,146,753.40

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