Home / 458,215,478.40-687,699,230.40-454,632,297.60

Finding the Fourth Proportional to 458,215,478.40, 687,699,230.40 and 454,632,297.60

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Solution

The fourth proportional to 458,215,478.40, 687,699,230.40 and 454,632,297.60 is: 682,321,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,215,478.40 : 687,699,230.40 = 454,632,297.60 : x
  2. Step 2: Convert to fraction form
    458,215,478.40/687,699,230.40 = 454,632,297.60/x
  3. Step 3: Cross multiply
    458,215,478.40x = 687,699,230.40 × 454,632,297.60
  4. Step 4: Simplify right side
    458,215,478.40x = 312,650,281,174,503,744
  5. Step 5: Solve for x
    x = 312,650,281,174,503,744/458,215,478.40
  6. Step 6: Final answer
    x = 682,321,518.83

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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.