Home / 318,653,942.58-439,756,011.09-177,525,082.98

Finding the Fourth Proportional to 318,653,942.58, 439,756,011.09 and 177,525,082.98

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Solution

The fourth proportional to 318,653,942.58, 439,756,011.09 and 177,525,082.98 is: 244,992,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,653,942.58 : 439,756,011.09 = 177,525,082.98 : x
  2. Step 2: Convert to fraction form
    318,653,942.58/439,756,011.09 = 177,525,082.98/x
  3. Step 3: Cross multiply
    318,653,942.58x = 439,756,011.09 × 177,525,082.98
  4. Step 4: Simplify right side
    318,653,942.58x = 78,067,722,359,706,048
  5. Step 5: Solve for x
    x = 78,067,722,359,706,048/318,653,942.58
  6. Step 6: Final answer
    x = 244,992,174.67

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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.