Home / 20,286,797,030.20-27,984,148,517.19-12,652,589,007.61

Finding the Fourth Proportional to 20,286,797,030.20, 27,984,148,517.19 and 12,652,589,007.61

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Solution

The fourth proportional to 20,286,797,030.20, 27,984,148,517.19 and 12,652,589,007.61 is: 17,453,318,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,797,030.20 : 27,984,148,517.19 = 12,652,589,007.61 : x
  2. Step 2: Convert to fraction form
    20,286,797,030.20/27,984,148,517.19 = 12,652,589,007.61/x
  3. Step 3: Cross multiply
    20,286,797,030.20x = 27,984,148,517.19 × 12,652,589,007.61
  4. Step 4: Simplify right side
    20,286,797,030.20x = 354,071,929,915,923,890,176
  5. Step 5: Solve for x
    x = 354,071,929,915,923,890,176/20,286,797,030.20
  6. Step 6: Final answer
    x = 17,453,318,500.15

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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.