Home / 1,322,379,002.18-1,983,855,481.41-402,231,425.96

Finding the Fourth Proportional to 1,322,379,002.18, 1,983,855,481.41 and 402,231,425.96

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Solution

The fourth proportional to 1,322,379,002.18, 1,983,855,481.41 and 402,231,425.96 is: 603,434,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,379,002.18 : 1,983,855,481.41 = 402,231,425.96 : x
  2. Step 2: Convert to fraction form
    1,322,379,002.18/1,983,855,481.41 = 402,231,425.96/x
  3. Step 3: Cross multiply
    1,322,379,002.18x = 1,983,855,481.41 × 402,231,425.96
  4. Step 4: Simplify right side
    1,322,379,002.18x = 797,969,019,186,106,624
  5. Step 5: Solve for x
    x = 797,969,019,186,106,624/1,322,379,002.18
  6. Step 6: Final answer
    x = 603,434,429.82

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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.