Home / 284,458,870,172.22-426,517,907,663.94-90,538,170,645.62

Finding the Fourth Proportional to 284,458,870,172.22, 426,517,907,663.94 and 90,538,170,645.62

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Solution

The fourth proportional to 284,458,870,172.22, 426,517,907,663.94 and 90,538,170,645.62 is: 135,753,021,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,458,870,172.22 : 426,517,907,663.94 = 90,538,170,645.62 : x
  2. Step 2: Convert to fraction form
    284,458,870,172.22/426,517,907,663.94 = 90,538,170,645.62/x
  3. Step 3: Cross multiply
    284,458,870,172.22x = 426,517,907,663.94 × 90,538,170,645.62
  4. Step 4: Simplify right side
    284,458,870,172.22x = 38,616,151,107,490,591,801,344
  5. Step 5: Solve for x
    x = 38,616,151,107,490,591,801,344/284,458,870,172.22
  6. Step 6: Final answer
    x = 135,753,021,461.81

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1.5x scale

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.