Home / 445,797,598.44-668,749,578.75-215,601,272.04

Finding the Fourth Proportional to 445,797,598.44, 668,749,578.75 and 215,601,272.04

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Solution

The fourth proportional to 445,797,598.44, 668,749,578.75 and 215,601,272.04 is: 323,427,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,797,598.44 : 668,749,578.75 = 215,601,272.04 : x
  2. Step 2: Convert to fraction form
    445,797,598.44/668,749,578.75 = 215,601,272.04/x
  3. Step 3: Cross multiply
    445,797,598.44x = 668,749,578.75 × 215,601,272.04
  4. Step 4: Simplify right side
    445,797,598.44x = 144,183,259,854,714,144
  5. Step 5: Solve for x
    x = 144,183,259,854,714,144/445,797,598.44
  6. Step 6: Final answer
    x = 323,427,628.05

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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.