Home / 483,970,791.60-725,956,187.40-398,940,231.60

Finding the Fourth Proportional to 483,970,791.60, 725,956,187.40 and 398,940,231.60

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Solution

The fourth proportional to 483,970,791.60, 725,956,187.40 and 398,940,231.60 is: 598,410,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,970,791.60 : 725,956,187.40 = 398,940,231.60 : x
  2. Step 2: Convert to fraction form
    483,970,791.60/725,956,187.40 = 398,940,231.60/x
  3. Step 3: Cross multiply
    483,970,791.60x = 725,956,187.40 × 398,940,231.60
  4. Step 4: Simplify right side
    483,970,791.60x = 289,613,129,532,809,024
  5. Step 5: Solve for x
    x = 289,613,129,532,809,024/483,970,791.60
  6. Step 6: Final answer
    x = 598,410,347.40

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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.