Home / 338,453,931.78-466,894,531.26-221,047,986.06

Finding the Fourth Proportional to 338,453,931.78, 466,894,531.26 and 221,047,986.06

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Solution

The fourth proportional to 338,453,931.78, 466,894,531.26 and 221,047,986.06 is: 304,933,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,453,931.78 : 466,894,531.26 = 221,047,986.06 : x
  2. Step 2: Convert to fraction form
    338,453,931.78/466,894,531.26 = 221,047,986.06/x
  3. Step 3: Cross multiply
    338,453,931.78x = 466,894,531.26 × 221,047,986.06
  4. Step 4: Simplify right side
    338,453,931.78x = 103,206,095,837,450,720
  5. Step 5: Solve for x
    x = 103,206,095,837,450,720/338,453,931.78
  6. Step 6: Final answer
    x = 304,933,954.51

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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.