Home / 1,096,565,311.60-1,644,686,172.90-320,002,464.76

Finding the Fourth Proportional to 1,096,565,311.60, 1,644,686,172.90 and 320,002,464.76

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Solution

The fourth proportional to 1,096,565,311.60, 1,644,686,172.90 and 320,002,464.76 is: 479,956,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,565,311.60 : 1,644,686,172.90 = 320,002,464.76 : x
  2. Step 2: Convert to fraction form
    1,096,565,311.60/1,644,686,172.90 = 320,002,464.76/x
  3. Step 3: Cross multiply
    1,096,565,311.60x = 1,644,686,172.90 × 320,002,464.76
  4. Step 4: Simplify right side
    1,096,565,311.60x = 526,303,629,084,691,520
  5. Step 5: Solve for x
    x = 526,303,629,084,691,520/1,096,565,311.60
  6. Step 6: Final answer
    x = 479,956,481.86

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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.