Home / 3,945,161,664-5,444,256,378.24-2,184,991,280.64

Finding the Fourth Proportional to 3,945,161,664, 5,444,256,378.24 and 2,184,991,280.64

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Solution

The fourth proportional to 3,945,161,664, 5,444,256,378.24 and 2,184,991,280.64 is: 3,015,251,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,161,664 : 5,444,256,378.24 = 2,184,991,280.64 : x
  2. Step 2: Convert to fraction form
    3,945,161,664/5,444,256,378.24 = 2,184,991,280.64/x
  3. Step 3: Cross multiply
    3,945,161,664x = 5,444,256,378.24 × 2,184,991,280.64
  4. Step 4: Simplify right side
    3,945,161,664x = 11,895,652,716,023,105,536
  5. Step 5: Solve for x
    x = 11,895,652,716,023,105,536/3,945,161,664
  6. Step 6: Final answer
    x = 3,015,251,016.09

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1.5x scale

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.