Home / 775,389,078-1,163,093,745.24-257,819,519.16

Finding the Fourth Proportional to 775,389,078, 1,163,093,745.24 and 257,819,519.16

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Solution

The fourth proportional to 775,389,078, 1,163,093,745.24 and 257,819,519.16 is: 386,732,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,389,078 : 1,163,093,745.24 = 257,819,519.16 : x
  2. Step 2: Convert to fraction form
    775,389,078/1,163,093,745.24 = 257,819,519.16/x
  3. Step 3: Cross multiply
    775,389,078x = 1,163,093,745.24 × 257,819,519.16
  4. Step 4: Simplify right side
    775,389,078x = 299,868,270,135,780,352
  5. Step 5: Solve for x
    x = 299,868,270,135,780,352/775,389,078
  6. Step 6: Final answer
    x = 386,732,646.41

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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.