Home / 2,135,591,861.32-3,202,217,429.41-661,322,379.22

Finding the Fourth Proportional to 2,135,591,861.32, 3,202,217,429.41 and 661,322,379.22

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Solution

The fourth proportional to 2,135,591,861.32, 3,202,217,429.41 and 661,322,379.22 is: 991,621,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,591,861.32 : 3,202,217,429.41 = 661,322,379.22 : x
  2. Step 2: Convert to fraction form
    2,135,591,861.32/3,202,217,429.41 = 661,322,379.22/x
  3. Step 3: Cross multiply
    2,135,591,861.32x = 3,202,217,429.41 × 661,322,379.22
  4. Step 4: Simplify right side
    2,135,591,861.32x = 2,117,698,049,190,027,776
  5. Step 5: Solve for x
    x = 2,117,698,049,190,027,776/2,135,591,861.32
  6. Step 6: Final answer
    x = 991,621,146.13

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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.