Home / 312,318,575.85-465,685,653.23-303,737,817.56

Finding the Fourth Proportional to 312,318,575.85, 465,685,653.23 and 303,737,817.56

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Solution

The fourth proportional to 312,318,575.85, 465,685,653.23 and 303,737,817.56 is: 452,891,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,318,575.85 : 465,685,653.23 = 303,737,817.56 : x
  2. Step 2: Convert to fraction form
    312,318,575.85/465,685,653.23 = 303,737,817.56/x
  3. Step 3: Cross multiply
    312,318,575.85x = 465,685,653.23 × 303,737,817.56
  4. Step 4: Simplify right side
    312,318,575.85x = 141,446,343,981,083,168
  5. Step 5: Solve for x
    x = 141,446,343,981,083,168/312,318,575.85
  6. Step 6: Final answer
    x = 452,891,230.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.