Home / 491,974,921.58-738,148,763.97-295,375,628.21

Finding the Fourth Proportional to 491,974,921.58, 738,148,763.97 and 295,375,628.21

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Solution

The fourth proportional to 491,974,921.58, 738,148,763.97 and 295,375,628.21 is: 443,175,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,974,921.58 : 738,148,763.97 = 295,375,628.21 : x
  2. Step 2: Convert to fraction form
    491,974,921.58/738,148,763.97 = 295,375,628.21/x
  3. Step 3: Cross multiply
    491,974,921.58x = 738,148,763.97 × 295,375,628.21
  4. Step 4: Simplify right side
    491,974,921.58x = 218,031,154,870,073,760
  5. Step 5: Solve for x
    x = 218,031,154,870,073,760/491,974,921.58
  6. Step 6: Final answer
    x = 443,175,343.51

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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.