Home / 339,682,216.40-508,767,497.40-279,216,040.40

Finding the Fourth Proportional to 339,682,216.40, 508,767,497.40 and 279,216,040.40

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Solution

The fourth proportional to 339,682,216.40, 508,767,497.40 and 279,216,040.40 is: 418,202,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,682,216.40 : 508,767,497.40 = 279,216,040.40 : x
  2. Step 2: Convert to fraction form
    339,682,216.40/508,767,497.40 = 279,216,040.40/x
  3. Step 3: Cross multiply
    339,682,216.40x = 508,767,497.40 × 279,216,040.40
  4. Step 4: Simplify right side
    339,682,216.40x = 142,056,046,108,245,280
  5. Step 5: Solve for x
    x = 142,056,046,108,245,280/339,682,216.40
  6. Step 6: Final answer
    x = 418,202,776.74

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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.