Home / 773,383,212.28-1,067,291,515.02-420,982,188.76

Finding the Fourth Proportional to 773,383,212.28, 1,067,291,515.02 and 420,982,188.76

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Solution

The fourth proportional to 773,383,212.28, 1,067,291,515.02 and 420,982,188.76 is: 580,967,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,383,212.28 : 1,067,291,515.02 = 420,982,188.76 : x
  2. Step 2: Convert to fraction form
    773,383,212.28/1,067,291,515.02 = 420,982,188.76/x
  3. Step 3: Cross multiply
    773,383,212.28x = 1,067,291,515.02 × 420,982,188.76
  4. Step 4: Simplify right side
    773,383,212.28x = 449,310,718,038,096,000
  5. Step 5: Solve for x
    x = 449,310,718,038,096,000/773,383,212.28
  6. Step 6: Final answer
    x = 580,967,767.21

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.