Home / 305,835,939.12-458,982,376.44-207,233,849.91

Finding the Fourth Proportional to 305,835,939.12, 458,982,376.44 and 207,233,849.91

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Solution

The fourth proportional to 305,835,939.12, 458,982,376.44 and 207,233,849.91 is: 311,005,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,835,939.12 : 458,982,376.44 = 207,233,849.91 : x
  2. Step 2: Convert to fraction form
    305,835,939.12/458,982,376.44 = 207,233,849.91/x
  3. Step 3: Cross multiply
    305,835,939.12x = 458,982,376.44 × 207,233,849.91
  4. Step 4: Simplify right side
    305,835,939.12x = 95,116,684,912,610,784
  5. Step 5: Solve for x
    x = 95,116,684,912,610,784/305,835,939.12
  6. Step 6: Final answer
    x = 311,005,584.19

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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.