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Finding the Fourth Proportional to 995,336,733.80, 1,493,005,100.70 and 959,057,028.20

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Solution

The fourth proportional to 995,336,733.80, 1,493,005,100.70 and 959,057,028.20 is: 1,438,585,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,336,733.80 : 1,493,005,100.70 = 959,057,028.20 : x
  2. Step 2: Convert to fraction form
    995,336,733.80/1,493,005,100.70 = 959,057,028.20/x
  3. Step 3: Cross multiply
    995,336,733.80x = 1,493,005,100.70 × 959,057,028.20
  4. Step 4: Simplify right side
    995,336,733.80x = 1,431,877,034,964,783,872
  5. Step 5: Solve for x
    x = 1,431,877,034,964,783,872/995,336,733.80
  6. Step 6: Final answer
    x = 1,438,585,542.30

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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.