Home / 278,451,538,826.11-417,251,001,091.05-187,355,538,356.17

Finding the Fourth Proportional to 278,451,538,826.11, 417,251,001,091.05 and 187,355,538,356.17

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Solution

The fourth proportional to 278,451,538,826.11, 417,251,001,091.05 and 187,355,538,356.17 is: 280,746,467,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,451,538,826.11 : 417,251,001,091.05 = 187,355,538,356.17 : x
  2. Step 2: Convert to fraction form
    278,451,538,826.11/417,251,001,091.05 = 187,355,538,356.17/x
  3. Step 3: Cross multiply
    278,451,538,826.11x = 417,251,001,091.05 × 187,355,538,356.17
  4. Step 4: Simplify right side
    278,451,538,826.11x = 78,174,285,939,064,556,224,512
  5. Step 5: Solve for x
    x = 78,174,285,939,064,556,224,512/278,451,538,826.11
  6. Step 6: Final answer
    x = 280,746,467,656.92

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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.