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Finding the Fourth Proportional to 566,139,014.94, 781,296,978.87 and 318,636,399.90

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Solution

The fourth proportional to 566,139,014.94, 781,296,978.87 and 318,636,399.90 is: 439,732,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,139,014.94 : 781,296,978.87 = 318,636,399.90 : x
  2. Step 2: Convert to fraction form
    566,139,014.94/781,296,978.87 = 318,636,399.90/x
  3. Step 3: Cross multiply
    566,139,014.94x = 781,296,978.87 × 318,636,399.90
  4. Step 4: Simplify right side
    566,139,014.94x = 248,949,656,599,883,168
  5. Step 5: Solve for x
    x = 248,949,656,599,883,168/566,139,014.94
  6. Step 6: Final answer
    x = 439,732,380.26

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Why These Related Problems?

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