Home / 531,641,912.40-796,895,998.20-203,990,821.20

Finding the Fourth Proportional to 531,641,912.40, 796,895,998.20 and 203,990,821.20

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Solution

The fourth proportional to 531,641,912.40, 796,895,998.20 and 203,990,821.20 is: 305,768,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,641,912.40 : 796,895,998.20 = 203,990,821.20 : x
  2. Step 2: Convert to fraction form
    531,641,912.40/796,895,998.20 = 203,990,821.20/x
  3. Step 3: Cross multiply
    531,641,912.40x = 796,895,998.20 × 203,990,821.20
  4. Step 4: Simplify right side
    531,641,912.40x = 162,559,469,083,811,712
  5. Step 5: Solve for x
    x = 162,559,469,083,811,712/531,641,912.40
  6. Step 6: Final answer
    x = 305,768,723.82

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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.