Home / 7,274,865,753.60-10,912,298,630.40-3,138,979,315.20

Finding the Fourth Proportional to 7,274,865,753.60, 10,912,298,630.40 and 3,138,979,315.20

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Solution

The fourth proportional to 7,274,865,753.60, 10,912,298,630.40 and 3,138,979,315.20 is: 4,708,468,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274,865,753.60 : 10,912,298,630.40 = 3,138,979,315.20 : x
  2. Step 2: Convert to fraction form
    7,274,865,753.60/10,912,298,630.40 = 3,138,979,315.20/x
  3. Step 3: Cross multiply
    7,274,865,753.60x = 10,912,298,630.40 × 3,138,979,315.20
  4. Step 4: Simplify right side
    7,274,865,753.60x = 34,253,479,682,110,885,888
  5. Step 5: Solve for x
    x = 34,253,479,682,110,885,888/7,274,865,753.60
  6. Step 6: Final answer
    x = 4,708,468,972.80

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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.