Home / 871,603,357.92-1,307,659,753.35-281,379,748.86

Finding the Fourth Proportional to 871,603,357.92, 1,307,659,753.35 and 281,379,748.86

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Solution

The fourth proportional to 871,603,357.92, 1,307,659,753.35 and 281,379,748.86 is: 422,151,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,603,357.92 : 1,307,659,753.35 = 281,379,748.86 : x
  2. Step 2: Convert to fraction form
    871,603,357.92/1,307,659,753.35 = 281,379,748.86/x
  3. Step 3: Cross multiply
    871,603,357.92x = 1,307,659,753.35 × 281,379,748.86
  4. Step 4: Simplify right side
    871,603,357.92x = 367,948,972,991,952,512
  5. Step 5: Solve for x
    x = 367,948,972,991,952,512/871,603,357.92
  6. Step 6: Final answer
    x = 422,151,853.42

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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.