Home / 339,682,221.90-508,767,505.65-279,216,045.90

Finding the Fourth Proportional to 339,682,221.90, 508,767,505.65 and 279,216,045.90

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Solution

The fourth proportional to 339,682,221.90, 508,767,505.65 and 279,216,045.90 is: 418,202,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,682,221.90 : 508,767,505.65 = 279,216,045.90 : x
  2. Step 2: Convert to fraction form
    339,682,221.90/508,767,505.65 = 279,216,045.90/x
  3. Step 3: Cross multiply
    339,682,221.90x = 508,767,505.65 × 279,216,045.90
  4. Step 4: Simplify right side
    339,682,221.90x = 142,056,051,209,998,896
  5. Step 5: Solve for x
    x = 142,056,051,209,998,896/339,682,221.90
  6. Step 6: Final answer
    x = 418,202,784.99

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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.