Home / 2,018,131,481.30-3,027,197,221.95-1,320,774,601.10

Finding the Fourth Proportional to 2,018,131,481.30, 3,027,197,221.95 and 1,320,774,601.10

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Solution

The fourth proportional to 2,018,131,481.30, 3,027,197,221.95 and 1,320,774,601.10 is: 1,981,161,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,131,481.30 : 3,027,197,221.95 = 1,320,774,601.10 : x
  2. Step 2: Convert to fraction form
    2,018,131,481.30/3,027,197,221.95 = 1,320,774,601.10/x
  3. Step 3: Cross multiply
    2,018,131,481.30x = 3,027,197,221.95 × 1,320,774,601.10
  4. Step 4: Simplify right side
    2,018,131,481.30x = 3,998,245,203,272,038,912
  5. Step 5: Solve for x
    x = 3,998,245,203,272,038,912/2,018,131,481.30
  6. Step 6: Final answer
    x = 1,981,161,901.65

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Double scale
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Similar ratio
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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.