Home / 339,944,266.20-509,916,399.30-311,600,746.20

Finding the Fourth Proportional to 339,944,266.20, 509,916,399.30 and 311,600,746.20

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Solution

The fourth proportional to 339,944,266.20, 509,916,399.30 and 311,600,746.20 is: 467,401,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,944,266.20 : 509,916,399.30 = 311,600,746.20 : x
  2. Step 2: Convert to fraction form
    339,944,266.20/509,916,399.30 = 311,600,746.20/x
  3. Step 3: Cross multiply
    339,944,266.20x = 509,916,399.30 × 311,600,746.20
  4. Step 4: Simplify right side
    339,944,266.20x = 158,890,330,521,497,152
  5. Step 5: Solve for x
    x = 158,890,330,521,497,152/339,944,266.20
  6. Step 6: Final answer
    x = 467,401,119.30

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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.