Home / 510,175,371.60-765,263,057.40-218,992,942.80

Finding the Fourth Proportional to 510,175,371.60, 765,263,057.40 and 218,992,942.80

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Solution

The fourth proportional to 510,175,371.60, 765,263,057.40 and 218,992,942.80 is: 328,489,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,175,371.60 : 765,263,057.40 = 218,992,942.80 : x
  2. Step 2: Convert to fraction form
    510,175,371.60/765,263,057.40 = 218,992,942.80/x
  3. Step 3: Cross multiply
    510,175,371.60x = 765,263,057.40 × 218,992,942.80
  4. Step 4: Simplify right side
    510,175,371.60x = 167,587,208,956,151,328
  5. Step 5: Solve for x
    x = 167,587,208,956,151,328/510,175,371.60
  6. Step 6: Final answer
    x = 328,489,414.20

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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.