Home / 1,192,049,458.32-1,788,093,149.49-663,619,609.60

Finding the Fourth Proportional to 1,192,049,458.32, 1,788,093,149.49 and 663,619,609.60

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Solution

The fourth proportional to 1,192,049,458.32, 1,788,093,149.49 and 663,619,609.60 is: 995,439,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,049,458.32 : 1,788,093,149.49 = 663,619,609.60 : x
  2. Step 2: Convert to fraction form
    1,192,049,458.32/1,788,093,149.49 = 663,619,609.60/x
  3. Step 3: Cross multiply
    1,192,049,458.32x = 1,788,093,149.49 × 663,619,609.60
  4. Step 4: Simplify right side
    1,192,049,458.32x = 1,186,613,677,788,517,888
  5. Step 5: Solve for x
    x = 1,186,613,677,788,517,888/1,192,049,458.32
  6. Step 6: Final answer
    x = 995,439,970.63

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Double scale
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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.