Home / 1,322,379,010.20-1,983,855,493.44-402,231,433.96

Finding the Fourth Proportional to 1,322,379,010.20, 1,983,855,493.44 and 402,231,433.96

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Solution

The fourth proportional to 1,322,379,010.20, 1,983,855,493.44 and 402,231,433.96 is: 603,434,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,379,010.20 : 1,983,855,493.44 = 402,231,433.96 : x
  2. Step 2: Convert to fraction form
    1,322,379,010.20/1,983,855,493.44 = 402,231,433.96/x
  3. Step 3: Cross multiply
    1,322,379,010.20x = 1,983,855,493.44 × 402,231,433.96
  4. Step 4: Simplify right side
    1,322,379,010.20x = 797,969,039,895,794,560
  5. Step 5: Solve for x
    x = 797,969,039,895,794,560/1,322,379,010.20
  6. Step 6: Final answer
    x = 603,434,441.82

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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.