Home / 15,680,044,865.80-23,520,067,298.70-12,129,168,680.20

Finding the Fourth Proportional to 15,680,044,865.80, 23,520,067,298.70 and 12,129,168,680.20

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Solution

The fourth proportional to 15,680,044,865.80, 23,520,067,298.70 and 12,129,168,680.20 is: 18,193,753,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,044,865.80 : 23,520,067,298.70 = 12,129,168,680.20 : x
  2. Step 2: Convert to fraction form
    15,680,044,865.80/23,520,067,298.70 = 12,129,168,680.20/x
  3. Step 3: Cross multiply
    15,680,044,865.80x = 23,520,067,298.70 × 12,129,168,680.20
  4. Step 4: Simplify right side
    15,680,044,865.80x = 285,278,863,635,588,284,416
  5. Step 5: Solve for x
    x = 285,278,863,635,588,284,416/15,680,044,865.80
  6. Step 6: Final answer
    x = 18,193,753,020.30

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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.