Home / 286,471,222,738.45-395,331,516,428.36-156,262,914,879.73

Finding the Fourth Proportional to 286,471,222,738.45, 395,331,516,428.36 and 156,262,914,879.73

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Solution

The fourth proportional to 286,471,222,738.45, 395,331,516,428.36 and 156,262,914,879.73 is: 215,643,492,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,222,738.45 : 395,331,516,428.36 = 156,262,914,879.73 : x
  2. Step 2: Convert to fraction form
    286,471,222,738.45/395,331,516,428.36 = 156,262,914,879.73/x
  3. Step 3: Cross multiply
    286,471,222,738.45x = 395,331,516,428.36 × 156,262,914,879.73
  4. Step 4: Simplify right side
    286,471,222,738.45x = 61,775,655,100,919,404,560,384
  5. Step 5: Solve for x
    x = 61,775,655,100,919,404,560,384/286,471,222,738.45
  6. Step 6: Final answer
    x = 215,643,492,949.80

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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.