Home / 729,158,365.35-1,093,786,311.11-256,400,928.92

Finding the Fourth Proportional to 729,158,365.35, 1,093,786,311.11 and 256,400,928.92

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Solution

The fourth proportional to 729,158,365.35, 1,093,786,311.11 and 256,400,928.92 is: 384,618,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,158,365.35 : 1,093,786,311.11 = 256,400,928.92 : x
  2. Step 2: Convert to fraction form
    729,158,365.35/1,093,786,311.11 = 256,400,928.92/x
  3. Step 3: Cross multiply
    729,158,365.35x = 1,093,786,311.11 × 256,400,928.92
  4. Step 4: Simplify right side
    729,158,365.35x = 280,447,826,210,036,608
  5. Step 5: Solve for x
    x = 280,447,826,210,036,608/729,158,365.35
  6. Step 6: Final answer
    x = 384,618,540.41

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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.