Home / 723,984,409.45-1,085,986,704.44-206,414,850.61

Finding the Fourth Proportional to 723,984,409.45, 1,085,986,704.44 and 206,414,850.61

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Solution

The fourth proportional to 723,984,409.45, 1,085,986,704.44 and 206,414,850.61 is: 309,625,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,984,409.45 : 1,085,986,704.44 = 206,414,850.61 : x
  2. Step 2: Convert to fraction form
    723,984,409.45/1,085,986,704.44 = 206,414,850.61/x
  3. Step 3: Cross multiply
    723,984,409.45x = 1,085,986,704.44 × 206,414,850.61
  4. Step 4: Simplify right side
    723,984,409.45x = 224,163,783,361,428,864
  5. Step 5: Solve for x
    x = 224,163,783,361,428,864/723,984,409.45
  6. Step 6: Final answer
    x = 309,625,152.75

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1.5x scale

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.