Home / 1,305,283,584-1,957,979,372.76-385,159,933.56

Finding the Fourth Proportional to 1,305,283,584, 1,957,979,372.76 and 385,159,933.56

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Solution

The fourth proportional to 1,305,283,584, 1,957,979,372.76 and 385,159,933.56 is: 577,755,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,283,584 : 1,957,979,372.76 = 385,159,933.56 : x
  2. Step 2: Convert to fraction form
    1,305,283,584/1,957,979,372.76 = 385,159,933.56/x
  3. Step 3: Cross multiply
    1,305,283,584x = 1,957,979,372.76 × 385,159,933.56
  4. Step 4: Simplify right side
    1,305,283,584x = 754,135,205,124,092,032
  5. Step 5: Solve for x
    x = 754,135,205,124,092,032/1,305,283,584
  6. Step 6: Final answer
    x = 577,755,833.57

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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.