Home / 498,374,982.30-687,764,691.27-275,361,794.94

Finding the Fourth Proportional to 498,374,982.30, 687,764,691.27 and 275,361,794.94

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Solution

The fourth proportional to 498,374,982.30, 687,764,691.27 and 275,361,794.94 is: 380,003,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,374,982.30 : 687,764,691.27 = 275,361,794.94 : x
  2. Step 2: Convert to fraction form
    498,374,982.30/687,764,691.27 = 275,361,794.94/x
  3. Step 3: Cross multiply
    498,374,982.30x = 687,764,691.27 × 275,361,794.94
  4. Step 4: Simplify right side
    498,374,982.30x = 189,384,119,884,462,144
  5. Step 5: Solve for x
    x = 189,384,119,884,462,144/498,374,982.30
  6. Step 6: Final answer
    x = 380,003,263.83

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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.