Home / 338,453,949.29-466,894,555.26-221,048,003.57

Finding the Fourth Proportional to 338,453,949.29, 466,894,555.26 and 221,048,003.57

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Solution

The fourth proportional to 338,453,949.29, 466,894,555.26 and 221,048,003.57 is: 304,933,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,453,949.29 : 466,894,555.26 = 221,048,003.57 : x
  2. Step 2: Convert to fraction form
    338,453,949.29/466,894,555.26 = 221,048,003.57/x
  3. Step 3: Cross multiply
    338,453,949.29x = 466,894,555.26 × 221,048,003.57
  4. Step 4: Simplify right side
    338,453,949.29x = 103,206,109,317,926,032
  5. Step 5: Solve for x
    x = 103,206,109,317,926,032/338,453,949.29
  6. Step 6: Final answer
    x = 304,933,978.56

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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.