Home / 829,298,849.72-1,244,122,979.74-269,016,930.61

Finding the Fourth Proportional to 829,298,849.72, 1,244,122,979.74 and 269,016,930.61

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Solution

The fourth proportional to 829,298,849.72, 1,244,122,979.74 and 269,016,930.61 is: 403,582,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,298,849.72 : 1,244,122,979.74 = 269,016,930.61 : x
  2. Step 2: Convert to fraction form
    829,298,849.72/1,244,122,979.74 = 269,016,930.61/x
  3. Step 3: Cross multiply
    829,298,849.72x = 1,244,122,979.74 × 269,016,930.61
  4. Step 4: Simplify right side
    829,298,849.72x = 334,690,145,311,022,016
  5. Step 5: Solve for x
    x = 334,690,145,311,022,016/829,298,849.72
  6. Step 6: Final answer
    x = 403,582,068.66

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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.