Home / 825,857,100.78-1,238,752,055.04-204,056,673.68

Finding the Fourth Proportional to 825,857,100.78, 1,238,752,055.04 and 204,056,673.68

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Solution

The fourth proportional to 825,857,100.78, 1,238,752,055.04 and 204,056,673.68 is: 306,076,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,857,100.78 : 1,238,752,055.04 = 204,056,673.68 : x
  2. Step 2: Convert to fraction form
    825,857,100.78/1,238,752,055.04 = 204,056,673.68/x
  3. Step 3: Cross multiply
    825,857,100.78x = 1,238,752,055.04 × 204,056,673.68
  4. Step 4: Simplify right side
    825,857,100.78x = 252,775,623,865,726,688
  5. Step 5: Solve for x
    x = 252,775,623,865,726,688/825,857,100.78
  6. Step 6: Final answer
    x = 306,076,709.43

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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.