Home / 723,707,883.36-1,086,020,974.06-309,187,827.65

Finding the Fourth Proportional to 723,707,883.36, 1,086,020,974.06 and 309,187,827.65

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Solution

The fourth proportional to 723,707,883.36, 1,086,020,974.06 and 309,187,827.65 is: 463,977,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,707,883.36 : 1,086,020,974.06 = 309,187,827.65 : x
  2. Step 2: Convert to fraction form
    723,707,883.36/1,086,020,974.06 = 309,187,827.65/x
  3. Step 3: Cross multiply
    723,707,883.36x = 1,086,020,974.06 × 309,187,827.65
  4. Step 4: Simplify right side
    723,707,883.36x = 335,784,465,753,890,432
  5. Step 5: Solve for x
    x = 335,784,465,753,890,432/723,707,883.36
  6. Step 6: Final answer
    x = 463,977,902.51

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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.