Home / 729,064,833.73-1,093,154,395.36-285,876,567.56

Finding the Fourth Proportional to 729,064,833.73, 1,093,154,395.36 and 285,876,567.56

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Solution

The fourth proportional to 729,064,833.73, 1,093,154,395.36 and 285,876,567.56 is: 428,641,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,064,833.73 : 1,093,154,395.36 = 285,876,567.56 : x
  2. Step 2: Convert to fraction form
    729,064,833.73/1,093,154,395.36 = 285,876,567.56/x
  3. Step 3: Cross multiply
    729,064,833.73x = 1,093,154,395.36 × 285,876,567.56
  4. Step 4: Simplify right side
    729,064,833.73x = 312,507,226,361,083,264
  5. Step 5: Solve for x
    x = 312,507,226,361,083,264/729,064,833.73
  6. Step 6: Final answer
    x = 428,641,201.58

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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.