Home / 511,692,929.92-706,136,238.30-276,743,583.64

Finding the Fourth Proportional to 511,692,929.92, 706,136,238.30 and 276,743,583.64

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Solution

The fourth proportional to 511,692,929.92, 706,136,238.30 and 276,743,583.64 is: 381,906,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,692,929.92 : 706,136,238.30 = 276,743,583.64 : x
  2. Step 2: Convert to fraction form
    511,692,929.92/706,136,238.30 = 276,743,583.64/x
  3. Step 3: Cross multiply
    511,692,929.92x = 706,136,238.30 × 276,743,583.64
  4. Step 4: Simplify right side
    511,692,929.92x = 195,418,673,125,211,008
  5. Step 5: Solve for x
    x = 195,418,673,125,211,008/511,692,929.92
  6. Step 6: Final answer
    x = 381,906,142.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.