Home / 1,200,741,616.86-1,656,787,774.23-754,446,391.26

Finding the Fourth Proportional to 1,200,741,616.86, 1,656,787,774.23 and 754,446,391.26

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Solution

The fourth proportional to 1,200,741,616.86, 1,656,787,774.23 and 754,446,391.26 is: 1,040,987,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,741,616.86 : 1,656,787,774.23 = 754,446,391.26 : x
  2. Step 2: Convert to fraction form
    1,200,741,616.86/1,656,787,774.23 = 754,446,391.26/x
  3. Step 3: Cross multiply
    1,200,741,616.86x = 1,656,787,774.23 × 754,446,391.26
  4. Step 4: Simplify right side
    1,200,741,616.86x = 1,249,957,557,351,511,040
  5. Step 5: Solve for x
    x = 1,249,957,557,351,511,040/1,200,741,616.86
  6. Step 6: Final answer
    x = 1,040,987,952.61

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1.5x scale

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.