Home / 825,857,091.78-1,238,752,041.54-204,056,664.68

Finding the Fourth Proportional to 825,857,091.78, 1,238,752,041.54 and 204,056,664.68

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Solution

The fourth proportional to 825,857,091.78, 1,238,752,041.54 and 204,056,664.68 is: 306,076,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,857,091.78 : 1,238,752,041.54 = 204,056,664.68 : x
  2. Step 2: Convert to fraction form
    825,857,091.78/1,238,752,041.54 = 204,056,664.68/x
  3. Step 3: Cross multiply
    825,857,091.78x = 1,238,752,041.54 × 204,056,664.68
  4. Step 4: Simplify right side
    825,857,091.78x = 252,775,609,962,193,216
  5. Step 5: Solve for x
    x = 252,775,609,962,193,216/825,857,091.78
  6. Step 6: Final answer
    x = 306,076,695.93

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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.