Home / 625,794,819.80-938,687,564.10-189,094,659.80

Finding the Fourth Proportional to 625,794,819.80, 938,687,564.10 and 189,094,659.80

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Solution

The fourth proportional to 625,794,819.80, 938,687,564.10 and 189,094,659.80 is: 283,640,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,794,819.80 : 938,687,564.10 = 189,094,659.80 : x
  2. Step 2: Convert to fraction form
    625,794,819.80/938,687,564.10 = 189,094,659.80/x
  3. Step 3: Cross multiply
    625,794,819.80x = 938,687,564.10 × 189,094,659.80
  4. Step 4: Simplify right side
    625,794,819.80x = 177,500,805,591,980,224
  5. Step 5: Solve for x
    x = 177,500,805,591,980,224/625,794,819.80
  6. Step 6: Final answer
    x = 283,640,579.91

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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.