Home / 299,171,240.30-449,437,874.33-216,428,211.83

Finding the Fourth Proportional to 299,171,240.30, 449,437,874.33 and 216,428,211.83

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Solution

The fourth proportional to 299,171,240.30, 449,437,874.33 and 216,428,211.83 is: 325,134,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,171,240.30 : 449,437,874.33 = 216,428,211.83 : x
  2. Step 2: Convert to fraction form
    299,171,240.30/449,437,874.33 = 216,428,211.83/x
  3. Step 3: Cross multiply
    299,171,240.30x = 449,437,874.33 × 216,428,211.83
  4. Step 4: Simplify right side
    299,171,240.30x = 97,271,035,471,582,832
  5. Step 5: Solve for x
    x = 97,271,035,471,582,832/299,171,240.30
  6. Step 6: Final answer
    x = 325,134,980.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.