Home / 294,990,819.30-407,087,265.51-162,831,781.44

Finding the Fourth Proportional to 294,990,819.30, 407,087,265.51 and 162,831,781.44

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Solution

The fourth proportional to 294,990,819.30, 407,087,265.51 and 162,831,781.44 is: 224,707,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,990,819.30 : 407,087,265.51 = 162,831,781.44 : x
  2. Step 2: Convert to fraction form
    294,990,819.30/407,087,265.51 = 162,831,781.44/x
  3. Step 3: Cross multiply
    294,990,819.30x = 407,087,265.51 × 162,831,781.44
  4. Step 4: Simplify right side
    294,990,819.30x = 66,286,744,644,531,568
  5. Step 5: Solve for x
    x = 66,286,744,644,531,568/294,990,819.30
  6. Step 6: Final answer
    x = 224,707,822.44

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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.