Home / 279,206,792.88-418,418,176.32-220,657,052.64

Finding the Fourth Proportional to 279,206,792.88, 418,418,176.32 and 220,657,052.64

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Solution

The fourth proportional to 279,206,792.88, 418,418,176.32 and 220,657,052.64 is: 330,675,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,206,792.88 : 418,418,176.32 = 220,657,052.64 : x
  2. Step 2: Convert to fraction form
    279,206,792.88/418,418,176.32 = 220,657,052.64/x
  3. Step 3: Cross multiply
    279,206,792.88x = 418,418,176.32 × 220,657,052.64
  4. Step 4: Simplify right side
    279,206,792.88x = 92,326,921,557,775,040
  5. Step 5: Solve for x
    x = 92,326,921,557,775,040/279,206,792.88
  6. Step 6: Final answer
    x = 330,675,771.19

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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.