Home / 885,760,249.60-1,328,640,374.40-845,449,465.60

Finding the Fourth Proportional to 885,760,249.60, 1,328,640,374.40 and 845,449,465.60

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Solution

The fourth proportional to 885,760,249.60, 1,328,640,374.40 and 845,449,465.60 is: 1,268,174,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,760,249.60 : 1,328,640,374.40 = 845,449,465.60 : x
  2. Step 2: Convert to fraction form
    885,760,249.60/1,328,640,374.40 = 845,449,465.60/x
  3. Step 3: Cross multiply
    885,760,249.60x = 1,328,640,374.40 × 845,449,465.60
  4. Step 4: Simplify right side
    885,760,249.60x = 1,123,298,294,511,064,064
  5. Step 5: Solve for x
    x = 1,123,298,294,511,064,064/885,760,249.60
  6. Step 6: Final answer
    x = 1,268,174,198.40

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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.