Home / 15,793,514,611.20-21,795,052,227.84-8,753,438,753.28

Finding the Fourth Proportional to 15,793,514,611.20, 21,795,052,227.84 and 8,753,438,753.28

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Solution

The fourth proportional to 15,793,514,611.20, 21,795,052,227.84 and 8,753,438,753.28 is: 12,079,746,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793,514,611.20 : 21,795,052,227.84 = 8,753,438,753.28 : x
  2. Step 2: Convert to fraction form
    15,793,514,611.20/21,795,052,227.84 = 8,753,438,753.28/x
  3. Step 3: Cross multiply
    15,793,514,611.20x = 21,795,052,227.84 × 8,753,438,753.28
  4. Step 4: Simplify right side
    15,793,514,611.20x = 190,781,654,800,936,271,872
  5. Step 5: Solve for x
    x = 190,781,654,800,936,271,872/15,793,514,611.20
  6. Step 6: Final answer
    x = 12,079,746,623.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.