Home / 767,524,408.76-1,059,183,675.89-415,100,399.48

Finding the Fourth Proportional to 767,524,408.76, 1,059,183,675.89 and 415,100,399.48

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Solution

The fourth proportional to 767,524,408.76, 1,059,183,675.89 and 415,100,399.48 is: 572,838,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,524,408.76 : 1,059,183,675.89 = 415,100,399.48 : x
  2. Step 2: Convert to fraction form
    767,524,408.76/1,059,183,675.89 = 415,100,399.48/x
  3. Step 3: Cross multiply
    767,524,408.76x = 1,059,183,675.89 × 415,100,399.48
  4. Step 4: Simplify right side
    767,524,408.76x = 439,667,566,980,948,160
  5. Step 5: Solve for x
    x = 439,667,566,980,948,160/767,524,408.76
  6. Step 6: Final answer
    x = 572,838,546.85

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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.