Home / 20,194,888,151.70-30,292,332,227.55-11,826,605,589.30

Finding the Fourth Proportional to 20,194,888,151.70, 30,292,332,227.55 and 11,826,605,589.30

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Solution

The fourth proportional to 20,194,888,151.70, 30,292,332,227.55 and 11,826,605,589.30 is: 17,739,908,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,888,151.70 : 30,292,332,227.55 = 11,826,605,589.30 : x
  2. Step 2: Convert to fraction form
    20,194,888,151.70/30,292,332,227.55 = 11,826,605,589.30/x
  3. Step 3: Cross multiply
    20,194,888,151.70x = 30,292,332,227.55 × 11,826,605,589.30
  4. Step 4: Simplify right side
    20,194,888,151.70x = 358,255,465,635,275,341,824
  5. Step 5: Solve for x
    x = 358,255,465,635,275,341,824/20,194,888,151.70
  6. Step 6: Final answer
    x = 17,739,908,383.95

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Double scale
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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.