Home / 279,660,000.37-385,863,310.83-180,519,515.75

Finding the Fourth Proportional to 279,660,000.37, 385,863,310.83 and 180,519,515.75

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Solution

The fourth proportional to 279,660,000.37, 385,863,310.83 and 180,519,515.75 is: 249,073,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,660,000.37 : 385,863,310.83 = 180,519,515.75 : x
  2. Step 2: Convert to fraction form
    279,660,000.37/385,863,310.83 = 180,519,515.75/x
  3. Step 3: Cross multiply
    279,660,000.37x = 385,863,310.83 × 180,519,515.75
  4. Step 4: Simplify right side
    279,660,000.37x = 69,655,858,015,179,824
  5. Step 5: Solve for x
    x = 69,655,858,015,179,824/279,660,000.37
  6. Step 6: Final answer
    x = 249,073,367.38

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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.