Home / 448,384,067.70-672,576,101.55-206,519,363.70

Finding the Fourth Proportional to 448,384,067.70, 672,576,101.55 and 206,519,363.70

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Solution

The fourth proportional to 448,384,067.70, 672,576,101.55 and 206,519,363.70 is: 309,779,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,384,067.70 : 672,576,101.55 = 206,519,363.70 : x
  2. Step 2: Convert to fraction form
    448,384,067.70/672,576,101.55 = 206,519,363.70/x
  3. Step 3: Cross multiply
    448,384,067.70x = 672,576,101.55 × 206,519,363.70
  4. Step 4: Simplify right side
    448,384,067.70x = 138,899,988,531,932,560
  5. Step 5: Solve for x
    x = 138,899,988,531,932,560/448,384,067.70
  6. Step 6: Final answer
    x = 309,779,045.55

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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.