Home / 874,370,456.80-1,311,555,685.20-228,138,200.80

Finding the Fourth Proportional to 874,370,456.80, 1,311,555,685.20 and 228,138,200.80

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Solution

The fourth proportional to 874,370,456.80, 1,311,555,685.20 and 228,138,200.80 is: 342,207,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,370,456.80 : 1,311,555,685.20 = 228,138,200.80 : x
  2. Step 2: Convert to fraction form
    874,370,456.80/1,311,555,685.20 = 228,138,200.80/x
  3. Step 3: Cross multiply
    874,370,456.80x = 1,311,555,685.20 × 228,138,200.80
  4. Step 4: Simplify right side
    874,370,456.80x = 299,215,954,270,539,200
  5. Step 5: Solve for x
    x = 299,215,954,270,539,200/874,370,456.80
  6. Step 6: Final answer
    x = 342,207,301.20

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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.