Home / 7,274,865,782.60-10,912,298,673.90-3,138,979,344.20

Finding the Fourth Proportional to 7,274,865,782.60, 10,912,298,673.90 and 3,138,979,344.20

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Solution

The fourth proportional to 7,274,865,782.60, 10,912,298,673.90 and 3,138,979,344.20 is: 4,708,469,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274,865,782.60 : 10,912,298,673.90 = 3,138,979,344.20 : x
  2. Step 2: Convert to fraction form
    7,274,865,782.60/10,912,298,673.90 = 3,138,979,344.20/x
  3. Step 3: Cross multiply
    7,274,865,782.60x = 10,912,298,673.90 × 3,138,979,344.20
  4. Step 4: Simplify right side
    7,274,865,782.60x = 34,253,480,135,113,146,368
  5. Step 5: Solve for x
    x = 34,253,480,135,113,146,368/7,274,865,782.60
  6. Step 6: Final answer
    x = 4,708,469,016.30

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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.