Home / 20,324,870,920.28-28,049,078,832.45-12,187,999,092.62

Finding the Fourth Proportional to 20,324,870,920.28, 28,049,078,832.45 and 12,187,999,092.62

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Solution

The fourth proportional to 20,324,870,920.28, 28,049,078,832.45 and 12,187,999,092.62 is: 16,819,892,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,870,920.28 : 28,049,078,832.45 = 12,187,999,092.62 : x
  2. Step 2: Convert to fraction form
    20,324,870,920.28/28,049,078,832.45 = 12,187,999,092.62/x
  3. Step 3: Cross multiply
    20,324,870,920.28x = 28,049,078,832.45 × 12,187,999,092.62
  4. Step 4: Simplify right side
    20,324,870,920.28x = 341,862,147,358,727,471,104
  5. Step 5: Solve for x
    x = 341,862,147,358,727,471,104/20,324,870,920.28
  6. Step 6: Final answer
    x = 16,819,892,667.44

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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.