Home / 339,944,269.70-509,916,404.55-311,600,749.70

Finding the Fourth Proportional to 339,944,269.70, 509,916,404.55 and 311,600,749.70

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Solution

The fourth proportional to 339,944,269.70, 509,916,404.55 and 311,600,749.70 is: 467,401,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,944,269.70 : 509,916,404.55 = 311,600,749.70 : x
  2. Step 2: Convert to fraction form
    339,944,269.70/509,916,404.55 = 311,600,749.70/x
  3. Step 3: Cross multiply
    339,944,269.70x = 509,916,404.55 × 311,600,749.70
  4. Step 4: Simplify right side
    339,944,269.70x = 158,890,333,942,108,480
  5. Step 5: Solve for x
    x = 158,890,333,942,108,480/339,944,269.70
  6. Step 6: Final answer
    x = 467,401,124.55

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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.