Home / 829,298,848.72-1,244,122,978.24-269,016,929.61

Finding the Fourth Proportional to 829,298,848.72, 1,244,122,978.24 and 269,016,929.61

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Solution

The fourth proportional to 829,298,848.72, 1,244,122,978.24 and 269,016,929.61 is: 403,582,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,298,848.72 : 1,244,122,978.24 = 269,016,929.61 : x
  2. Step 2: Convert to fraction form
    829,298,848.72/1,244,122,978.24 = 269,016,929.61/x
  3. Step 3: Cross multiply
    829,298,848.72x = 1,244,122,978.24 × 269,016,929.61
  4. Step 4: Simplify right side
    829,298,848.72x = 334,690,143,662,701,120
  5. Step 5: Solve for x
    x = 334,690,143,662,701,120/829,298,848.72
  6. Step 6: Final answer
    x = 403,582,067.16

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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.