Home / 380,491,156,796.28-570,359,743,567.92-178,671,615,032.04

Finding the Fourth Proportional to 380,491,156,796.28, 570,359,743,567.92 and 178,671,615,032.04

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Solution

The fourth proportional to 380,491,156,796.28, 570,359,743,567.92 and 178,671,615,032.04 is: 267,830,394,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,491,156,796.28 : 570,359,743,567.92 = 178,671,615,032.04 : x
  2. Step 2: Convert to fraction form
    380,491,156,796.28/570,359,743,567.92 = 178,671,615,032.04/x
  3. Step 3: Cross multiply
    380,491,156,796.28x = 570,359,743,567.92 × 178,671,615,032.04
  4. Step 4: Simplify right side
    380,491,156,796.28x = 101,907,096,532,540,463,251,456
  5. Step 5: Solve for x
    x = 101,907,096,532,540,463,251,456/380,491,156,796.28
  6. Step 6: Final answer
    x = 267,830,394,247.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.