Home / 931,737,969.33-1,396,170,269.96-458,493,739.17

Finding the Fourth Proportional to 931,737,969.33, 1,396,170,269.96 and 458,493,739.17

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Solution

The fourth proportional to 931,737,969.33, 1,396,170,269.96 and 458,493,739.17 is: 687,033,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,737,969.33 : 1,396,170,269.96 = 458,493,739.17 : x
  2. Step 2: Convert to fraction form
    931,737,969.33/1,396,170,269.96 = 458,493,739.17/x
  3. Step 3: Cross multiply
    931,737,969.33x = 1,396,170,269.96 × 458,493,739.17
  4. Step 4: Simplify right side
    931,737,969.33x = 640,135,327,589,656,192
  5. Step 5: Solve for x
    x = 640,135,327,589,656,192/931,737,969.33
  6. Step 6: Final answer
    x = 687,033,638.92

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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.