Home / 338,453,948.79-466,894,554.57-221,048,003.07

Finding the Fourth Proportional to 338,453,948.79, 466,894,554.57 and 221,048,003.07

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Solution

The fourth proportional to 338,453,948.79, 466,894,554.57 and 221,048,003.07 is: 304,933,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,453,948.79 : 466,894,554.57 = 221,048,003.07 : x
  2. Step 2: Convert to fraction form
    338,453,948.79/466,894,554.57 = 221,048,003.07/x
  3. Step 3: Cross multiply
    338,453,948.79x = 466,894,554.57 × 221,048,003.07
  4. Step 4: Simplify right side
    338,453,948.79x = 103,206,108,931,955,632
  5. Step 5: Solve for x
    x = 103,206,108,931,955,632/338,453,948.79
  6. Step 6: Final answer
    x = 304,933,977.87

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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.