Home / 679,827,428.33-1,019,682,729.49-413,864,115.80

Finding the Fourth Proportional to 679,827,428.33, 1,019,682,729.49 and 413,864,115.80

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Solution

The fourth proportional to 679,827,428.33, 1,019,682,729.49 and 413,864,115.80 is: 620,760,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,827,428.33 : 1,019,682,729.49 = 413,864,115.80 : x
  2. Step 2: Convert to fraction form
    679,827,428.33/1,019,682,729.49 = 413,864,115.80/x
  3. Step 3: Cross multiply
    679,827,428.33x = 1,019,682,729.49 × 413,864,115.80
  4. Step 4: Simplify right side
    679,827,428.33x = 422,010,091,231,944,832
  5. Step 5: Solve for x
    x = 422,010,091,231,944,832/679,827,428.33
  6. Step 6: Final answer
    x = 620,760,613.13

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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.