Home / 338,453,902.31-466,894,490.54-221,047,956.59

Finding the Fourth Proportional to 338,453,902.31, 466,894,490.54 and 221,047,956.59

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Solution

The fourth proportional to 338,453,902.31, 466,894,490.54 and 221,047,956.59 is: 304,933,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,453,902.31 : 466,894,490.54 = 221,047,956.59 : x
  2. Step 2: Convert to fraction form
    338,453,902.31/466,894,490.54 = 221,047,956.59/x
  3. Step 3: Cross multiply
    338,453,902.31x = 466,894,490.54 × 221,047,956.59
  4. Step 4: Simplify right side
    338,453,902.31x = 103,206,073,076,996,096
  5. Step 5: Solve for x
    x = 103,206,073,076,996,096/338,453,902.31
  6. Step 6: Final answer
    x = 304,933,913.81

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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.