Home / 556,647,944.88-768,307,950.96-318,631,104.36

Finding the Fourth Proportional to 556,647,944.88, 768,307,950.96 and 318,631,104.36

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Solution

The fourth proportional to 556,647,944.88, 768,307,950.96 and 318,631,104.36 is: 439,787,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,647,944.88 : 768,307,950.96 = 318,631,104.36 : x
  2. Step 2: Convert to fraction form
    556,647,944.88/768,307,950.96 = 318,631,104.36/x
  3. Step 3: Cross multiply
    556,647,944.88x = 768,307,950.96 × 318,631,104.36
  4. Step 4: Simplify right side
    556,647,944.88x = 244,806,810,902,953,536
  5. Step 5: Solve for x
    x = 244,806,810,902,953,536/556,647,944.88
  6. Step 6: Final answer
    x = 439,787,505.11

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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.