Home / 785,159,268.56-1,083,505,712.52-427,930,249.04

Finding the Fourth Proportional to 785,159,268.56, 1,083,505,712.52 and 427,930,249.04

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Solution

The fourth proportional to 785,159,268.56, 1,083,505,712.52 and 427,930,249.04 is: 590,536,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,159,268.56 : 1,083,505,712.52 = 427,930,249.04 : x
  2. Step 2: Convert to fraction form
    785,159,268.56/1,083,505,712.52 = 427,930,249.04/x
  3. Step 3: Cross multiply
    785,159,268.56x = 1,083,505,712.52 × 427,930,249.04
  4. Step 4: Simplify right side
    785,159,268.56x = 463,664,869,394,946,240
  5. Step 5: Solve for x
    x = 463,664,869,394,946,240/785,159,268.56
  6. Step 6: Final answer
    x = 590,536,070.78

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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.