Home / 1,322,379,007.68-1,983,855,489.69-402,231,431.46

Finding the Fourth Proportional to 1,322,379,007.68, 1,983,855,489.69 and 402,231,431.46

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Solution

The fourth proportional to 1,322,379,007.68, 1,983,855,489.69 and 402,231,431.46 is: 603,434,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,379,007.68 : 1,983,855,489.69 = 402,231,431.46 : x
  2. Step 2: Convert to fraction form
    1,322,379,007.68/1,983,855,489.69 = 402,231,431.46/x
  3. Step 3: Cross multiply
    1,322,379,007.68x = 1,983,855,489.69 × 402,231,431.46
  4. Step 4: Simplify right side
    1,322,379,007.68x = 797,969,033,427,787,904
  5. Step 5: Solve for x
    x = 797,969,033,427,787,904/1,322,379,007.68
  6. Step 6: Final answer
    x = 603,434,438.08

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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.