Home / 7,278,584,115.40-10,917,876,173.10-6,992,881,433.80

Finding the Fourth Proportional to 7,278,584,115.40, 10,917,876,173.10 and 6,992,881,433.80

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Solution

The fourth proportional to 7,278,584,115.40, 10,917,876,173.10 and 6,992,881,433.80 is: 10,489,322,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,584,115.40 : 10,917,876,173.10 = 6,992,881,433.80 : x
  2. Step 2: Convert to fraction form
    7,278,584,115.40/10,917,876,173.10 = 6,992,881,433.80/x
  3. Step 3: Cross multiply
    7,278,584,115.40x = 10,917,876,173.10 × 6,992,881,433.80
  4. Step 4: Simplify right side
    7,278,584,115.40x = 76,347,413,587,398,393,856
  5. Step 5: Solve for x
    x = 76,347,413,587,398,393,856/7,278,584,115.40
  6. Step 6: Final answer
    x = 10,489,322,150.70

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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.