Home / 338,453,900.82-466,894,488.47-221,047,955.10

Finding the Fourth Proportional to 338,453,900.82, 466,894,488.47 and 221,047,955.10

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Solution

The fourth proportional to 338,453,900.82, 466,894,488.47 and 221,047,955.10 is: 304,933,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,453,900.82 : 466,894,488.47 = 221,047,955.10 : x
  2. Step 2: Convert to fraction form
    338,453,900.82/466,894,488.47 = 221,047,955.10/x
  3. Step 3: Cross multiply
    338,453,900.82x = 466,894,488.47 × 221,047,955.10
  4. Step 4: Simplify right side
    338,453,900.82x = 103,206,071,921,419,568
  5. Step 5: Solve for x
    x = 103,206,071,921,419,568/338,453,900.82
  6. Step 6: Final answer
    x = 304,933,911.75

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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.