Home / 523,056,021.44-721,817,306.96-303,166,993.28

Finding the Fourth Proportional to 523,056,021.44, 721,817,306.96 and 303,166,993.28

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Solution

The fourth proportional to 523,056,021.44, 721,817,306.96 and 303,166,993.28 is: 418,370,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,056,021.44 : 721,817,306.96 = 303,166,993.28 : x
  2. Step 2: Convert to fraction form
    523,056,021.44/721,817,306.96 = 303,166,993.28/x
  3. Step 3: Cross multiply
    523,056,021.44x = 721,817,306.96 × 303,166,993.28
  4. Step 4: Simplify right side
    523,056,021.44x = 218,831,182,648,530,016
  5. Step 5: Solve for x
    x = 218,831,182,648,530,016/523,056,021.44
  6. Step 6: Final answer
    x = 418,370,449.20

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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.