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Finding the Fourth Proportional to 483,894,019.20, 725,841,028.80 and 160,777,891.20

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Solution

The fourth proportional to 483,894,019.20, 725,841,028.80 and 160,777,891.20 is: 241,166,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,894,019.20 : 725,841,028.80 = 160,777,891.20 : x
  2. Step 2: Convert to fraction form
    483,894,019.20/725,841,028.80 = 160,777,891.20/x
  3. Step 3: Cross multiply
    483,894,019.20x = 725,841,028.80 × 160,777,891.20
  4. Step 4: Simplify right side
    483,894,019.20x = 116,699,189,956,902,448
  5. Step 5: Solve for x
    x = 116,699,189,956,902,448/483,894,019.20
  6. Step 6: Final answer
    x = 241,166,836.80

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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.