Home / 511,692,930.92-706,136,239.68-276,743,584.64

Finding the Fourth Proportional to 511,692,930.92, 706,136,239.68 and 276,743,584.64

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Solution

The fourth proportional to 511,692,930.92, 706,136,239.68 and 276,743,584.64 is: 381,906,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,692,930.92 : 706,136,239.68 = 276,743,584.64 : x
  2. Step 2: Convert to fraction form
    511,692,930.92/706,136,239.68 = 276,743,584.64/x
  3. Step 3: Cross multiply
    511,692,930.92x = 706,136,239.68 × 276,743,584.64
  4. Step 4: Simplify right side
    511,692,930.92x = 195,418,674,213,253,376
  5. Step 5: Solve for x
    x = 195,418,674,213,253,376/511,692,930.92
  6. Step 6: Final answer
    x = 381,906,144.10

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Why These Related Problems?

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