Home / 3,888,247,123-5,364,071,114.34-2,279,881,163.08

Finding the Fourth Proportional to 3,888,247,123, 5,364,071,114.34 and 2,279,881,163.08

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Solution

The fourth proportional to 3,888,247,123, 5,364,071,114.34 and 2,279,881,163.08 is: 3,145,233,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,247,123 : 5,364,071,114.34 = 2,279,881,163.08 : x
  2. Step 2: Convert to fraction form
    3,888,247,123/5,364,071,114.34 = 2,279,881,163.08/x
  3. Step 3: Cross multiply
    3,888,247,123x = 5,364,071,114.34 × 2,279,881,163.08
  4. Step 4: Simplify right side
    3,888,247,123x = 12,229,444,691,005,310,976
  5. Step 5: Solve for x
    x = 12,229,444,691,005,310,976/3,888,247,123
  6. Step 6: Final answer
    x = 3,145,233,392.87

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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.