Home / 777,266,912.16-1,166,104,861.92-279,327,731.04

Finding the Fourth Proportional to 777,266,912.16, 1,166,104,861.92 and 279,327,731.04

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Solution

The fourth proportional to 777,266,912.16, 1,166,104,861.92 and 279,327,731.04 is: 419,065,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,266,912.16 : 1,166,104,861.92 = 279,327,731.04 : x
  2. Step 2: Convert to fraction form
    777,266,912.16/1,166,104,861.92 = 279,327,731.04/x
  3. Step 3: Cross multiply
    777,266,912.16x = 1,166,104,861.92 × 279,327,731.04
  4. Step 4: Simplify right side
    777,266,912.16x = 325,725,425,234,826,176
  5. Step 5: Solve for x
    x = 325,725,425,234,826,176/777,266,912.16
  6. Step 6: Final answer
    x = 419,065,085.80

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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.