Home / 1,826,622,719.20-2,520,739,370.56-991,247,289.80

Finding the Fourth Proportional to 1,826,622,719.20, 2,520,739,370.56 and 991,247,289.80

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Solution

The fourth proportional to 1,826,622,719.20, 2,520,739,370.56 and 991,247,289.80 is: 1,367,921,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,622,719.20 : 2,520,739,370.56 = 991,247,289.80 : x
  2. Step 2: Convert to fraction form
    1,826,622,719.20/2,520,739,370.56 = 991,247,289.80/x
  3. Step 3: Cross multiply
    1,826,622,719.20x = 2,520,739,370.56 × 991,247,289.80
  4. Step 4: Simplify right side
    1,826,622,719.20x = 2,498,676,069,359,757,824
  5. Step 5: Solve for x
    x = 2,498,676,069,359,757,824/1,826,622,719.20
  6. Step 6: Final answer
    x = 1,367,921,269.73

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Double scale
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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.