Home / 322,798,069.73-445,598,787.35-217,012,836.60

Finding the Fourth Proportional to 322,798,069.73, 445,598,787.35 and 217,012,836.60

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Solution

The fourth proportional to 322,798,069.73, 445,598,787.35 and 217,012,836.60 is: 299,570,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,798,069.73 : 445,598,787.35 = 217,012,836.60 : x
  2. Step 2: Convert to fraction form
    322,798,069.73/445,598,787.35 = 217,012,836.60/x
  3. Step 3: Cross multiply
    322,798,069.73x = 445,598,787.35 × 217,012,836.60
  4. Step 4: Simplify right side
    322,798,069.73x = 96,700,656,828,072,432
  5. Step 5: Solve for x
    x = 96,700,656,828,072,432/322,798,069.73
  6. Step 6: Final answer
    x = 299,570,121.06

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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.