Home / 629,790,766.28-869,284,142.82-365,557,885.94

Finding the Fourth Proportional to 629,790,766.28, 869,284,142.82 and 365,557,885.94

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Solution

The fourth proportional to 629,790,766.28, 869,284,142.82 and 365,557,885.94 is: 504,570,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,790,766.28 : 869,284,142.82 = 365,557,885.94 : x
  2. Step 2: Convert to fraction form
    629,790,766.28/869,284,142.82 = 365,557,885.94/x
  3. Step 3: Cross multiply
    629,790,766.28x = 869,284,142.82 × 365,557,885.94
  4. Step 4: Simplify right side
    629,790,766.28x = 317,773,673,530,444,224
  5. Step 5: Solve for x
    x = 317,773,673,530,444,224/629,790,766.28
  6. Step 6: Final answer
    x = 504,570,232.76

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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.