Home / 2,167,019,933.72-2,990,502,814.03-1,176,945,350.72

Finding the Fourth Proportional to 2,167,019,933.72, 2,990,502,814.03 and 1,176,945,350.72

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Solution

The fourth proportional to 2,167,019,933.72, 2,990,502,814.03 and 1,176,945,350.72 is: 1,624,192,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,019,933.72 : 2,990,502,814.03 = 1,176,945,350.72 : x
  2. Step 2: Convert to fraction form
    2,167,019,933.72/2,990,502,814.03 = 1,176,945,350.72/x
  3. Step 3: Cross multiply
    2,167,019,933.72x = 2,990,502,814.03 × 1,176,945,350.72
  4. Step 4: Simplify right side
    2,167,019,933.72x = 3,519,658,383,269,907,456
  5. Step 5: Solve for x
    x = 3,519,658,383,269,907,456/2,167,019,933.72
  6. Step 6: Final answer
    x = 1,624,192,896.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.