Home / 874,431,078.80-1,311,646,618.20-228,198,822.80

Finding the Fourth Proportional to 874,431,078.80, 1,311,646,618.20 and 228,198,822.80

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Solution

The fourth proportional to 874,431,078.80, 1,311,646,618.20 and 228,198,822.80 is: 342,298,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,431,078.80 : 1,311,646,618.20 = 228,198,822.80 : x
  2. Step 2: Convert to fraction form
    874,431,078.80/1,311,646,618.20 = 228,198,822.80/x
  3. Step 3: Cross multiply
    874,431,078.80x = 1,311,646,618.20 × 228,198,822.80
  4. Step 4: Simplify right side
    874,431,078.80x = 299,316,214,202,841,088
  5. Step 5: Solve for x
    x = 299,316,214,202,841,088/874,431,078.80
  6. Step 6: Final answer
    x = 342,298,234.20

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Double scale
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Similar ratio
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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.