Home / 1,311,017,836.89-1,809,206,558.18-746,503,177.31

Finding the Fourth Proportional to 1,311,017,836.89, 1,809,206,558.18 and 746,503,177.31

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Solution

The fourth proportional to 1,311,017,836.89, 1,809,206,558.18 and 746,503,177.31 is: 1,030,175,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,017,836.89 : 1,809,206,558.18 = 746,503,177.31 : x
  2. Step 2: Convert to fraction form
    1,311,017,836.89/1,809,206,558.18 = 746,503,177.31/x
  3. Step 3: Cross multiply
    1,311,017,836.89x = 1,809,206,558.18 × 746,503,177.31
  4. Step 4: Simplify right side
    1,311,017,836.89x = 1,350,578,444,092,557,056
  5. Step 5: Solve for x
    x = 1,350,578,444,092,557,056/1,311,017,836.89
  6. Step 6: Final answer
    x = 1,030,175,491.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.