Home / 339,682,389.40-508,767,756.90-279,216,213.40

Finding the Fourth Proportional to 339,682,389.40, 508,767,756.90 and 279,216,213.40

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Solution

The fourth proportional to 339,682,389.40, 508,767,756.90 and 279,216,213.40 is: 418,203,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,682,389.40 : 508,767,756.90 = 279,216,213.40 : x
  2. Step 2: Convert to fraction form
    339,682,389.40/508,767,756.90 = 279,216,213.40/x
  3. Step 3: Cross multiply
    339,682,389.40x = 508,767,756.90 × 279,216,213.40
  4. Step 4: Simplify right side
    339,682,389.40x = 142,056,206,581,629,696
  5. Step 5: Solve for x
    x = 142,056,206,581,629,696/339,682,389.40
  6. Step 6: Final answer
    x = 418,203,036.17

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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.