Home / 773,150,021.46-1,066,947,203.61-425,469,509.46

Finding the Fourth Proportional to 773,150,021.46, 1,066,947,203.61 and 425,469,509.46

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Solution

The fourth proportional to 773,150,021.46, 1,066,947,203.61 and 425,469,509.46 is: 587,148,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,150,021.46 : 1,066,947,203.61 = 425,469,509.46 : x
  2. Step 2: Convert to fraction form
    773,150,021.46/1,066,947,203.61 = 425,469,509.46/x
  3. Step 3: Cross multiply
    773,150,021.46x = 1,066,947,203.61 × 425,469,509.46
  4. Step 4: Simplify right side
    773,150,021.46x = 453,953,503,339,665,408
  5. Step 5: Solve for x
    x = 453,953,503,339,665,408/773,150,021.46
  6. Step 6: Final answer
    x = 587,148,018.81

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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.