Home / 829,298,848.67-1,244,122,978.16-269,016,929.55

Finding the Fourth Proportional to 829,298,848.67, 1,244,122,978.16 and 269,016,929.55

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Solution

The fourth proportional to 829,298,848.67, 1,244,122,978.16 and 269,016,929.55 is: 403,582,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,298,848.67 : 1,244,122,978.16 = 269,016,929.55 : x
  2. Step 2: Convert to fraction form
    829,298,848.67/1,244,122,978.16 = 269,016,929.55/x
  3. Step 3: Cross multiply
    829,298,848.67x = 1,244,122,978.16 × 269,016,929.55
  4. Step 4: Simplify right side
    829,298,848.67x = 334,690,143,569,109,760
  5. Step 5: Solve for x
    x = 334,690,143,569,109,760/829,298,848.67
  6. Step 6: Final answer
    x = 403,582,067.07

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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.