Home / 4,138,354,163.46-5,718,399,100.29-2,946,854,556.78

Finding the Fourth Proportional to 4,138,354,163.46, 5,718,399,100.29 and 2,946,854,556.78

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Solution

The fourth proportional to 4,138,354,163.46, 5,718,399,100.29 and 2,946,854,556.78 is: 4,071,978,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,354,163.46 : 5,718,399,100.29 = 2,946,854,556.78 : x
  2. Step 2: Convert to fraction form
    4,138,354,163.46/5,718,399,100.29 = 2,946,854,556.78/x
  3. Step 3: Cross multiply
    4,138,354,163.46x = 5,718,399,100.29 × 2,946,854,556.78
  4. Step 4: Simplify right side
    4,138,354,163.46x = 16,851,290,446,176,239,616
  5. Step 5: Solve for x
    x = 16,851,290,446,176,239,616/4,138,354,163.46
  6. Step 6: Final answer
    x = 4,071,978,806.20

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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.