Home / 523,039,754.88-721,794,827.52-303,150,727.68

Finding the Fourth Proportional to 523,039,754.88, 721,794,827.52 and 303,150,727.68

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Solution

The fourth proportional to 523,039,754.88, 721,794,827.52 and 303,150,727.68 is: 418,347,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,039,754.88 : 721,794,827.52 = 303,150,727.68 : x
  2. Step 2: Convert to fraction form
    523,039,754.88/721,794,827.52 = 303,150,727.68/x
  3. Step 3: Cross multiply
    523,039,754.88x = 721,794,827.52 × 303,150,727.68
  4. Step 4: Simplify right side
    523,039,754.88x = 218,812,627,198,348,096
  5. Step 5: Solve for x
    x = 218,812,627,198,348,096/523,039,754.88
  6. Step 6: Final answer
    x = 418,347,984.37

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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.