Home / 892,629,674.32-1,338,957,868.68-339,962,625.68

Finding the Fourth Proportional to 892,629,674.32, 1,338,957,868.68 and 339,962,625.68

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Solution

The fourth proportional to 892,629,674.32, 1,338,957,868.68 and 339,962,625.68 is: 509,949,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,629,674.32 : 1,338,957,868.68 = 339,962,625.68 : x
  2. Step 2: Convert to fraction form
    892,629,674.32/1,338,957,868.68 = 339,962,625.68/x
  3. Step 3: Cross multiply
    892,629,674.32x = 1,338,957,868.68 × 339,962,625.68
  4. Step 4: Simplify right side
    892,629,674.32x = 455,195,632,711,349,440
  5. Step 5: Solve for x
    x = 455,195,632,711,349,440/892,629,674.32
  6. Step 6: Final answer
    x = 509,949,025.68

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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.