Home / 347,736,648.30-521,604,972.45-311,456,942.70

Finding the Fourth Proportional to 347,736,648.30, 521,604,972.45 and 311,456,942.70

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Solution

The fourth proportional to 347,736,648.30, 521,604,972.45 and 311,456,942.70 is: 467,185,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,648.30 : 521,604,972.45 = 311,456,942.70 : x
  2. Step 2: Convert to fraction form
    347,736,648.30/521,604,972.45 = 311,456,942.70/x
  3. Step 3: Cross multiply
    347,736,648.30x = 521,604,972.45 × 311,456,942.70
  4. Step 4: Simplify right side
    347,736,648.30x = 162,457,490,016,394,720
  5. Step 5: Solve for x
    x = 162,457,490,016,394,720/347,736,648.30
  6. Step 6: Final answer
    x = 467,185,414.05

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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.