Home / 2,105,177,556.70-3,154,365,112.65-1,327,431,367.90

Finding the Fourth Proportional to 2,105,177,556.70, 3,154,365,112.65 and 1,327,431,367.90

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Solution

The fourth proportional to 2,105,177,556.70, 3,154,365,112.65 and 1,327,431,367.90 is: 1,989,002,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,177,556.70 : 3,154,365,112.65 = 1,327,431,367.90 : x
  2. Step 2: Convert to fraction form
    2,105,177,556.70/3,154,365,112.65 = 1,327,431,367.90/x
  3. Step 3: Cross multiply
    2,105,177,556.70x = 3,154,365,112.65 × 1,327,431,367.90
  4. Step 4: Simplify right side
    2,105,177,556.70x = 4,187,203,196,341,027,328
  5. Step 5: Solve for x
    x = 4,187,203,196,341,027,328/2,105,177,556.70
  6. Step 6: Final answer
    x = 1,989,002,392.23

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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.