Home / 885,760,246.10-1,328,640,369.15-845,449,462.10

Finding the Fourth Proportional to 885,760,246.10, 1,328,640,369.15 and 845,449,462.10

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Solution

The fourth proportional to 885,760,246.10, 1,328,640,369.15 and 845,449,462.10 is: 1,268,174,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,760,246.10 : 1,328,640,369.15 = 845,449,462.10 : x
  2. Step 2: Convert to fraction form
    885,760,246.10/1,328,640,369.15 = 845,449,462.10/x
  3. Step 3: Cross multiply
    885,760,246.10x = 1,328,640,369.15 × 845,449,462.10
  4. Step 4: Simplify right side
    885,760,246.10x = 1,123,298,285,422,212,992
  5. Step 5: Solve for x
    x = 1,123,298,285,422,212,992/885,760,246.10
  6. Step 6: Final answer
    x = 1,268,174,193.15

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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.