Home / 20,286,797,029.20-27,984,148,515.81-12,652,589,006.61

Finding the Fourth Proportional to 20,286,797,029.20, 27,984,148,515.81 and 12,652,589,006.61

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Solution

The fourth proportional to 20,286,797,029.20, 27,984,148,515.81 and 12,652,589,006.61 is: 17,453,318,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,797,029.20 : 27,984,148,515.81 = 12,652,589,006.61 : x
  2. Step 2: Convert to fraction form
    20,286,797,029.20/27,984,148,515.81 = 12,652,589,006.61/x
  3. Step 3: Cross multiply
    20,286,797,029.20x = 27,984,148,515.81 × 12,652,589,006.61
  4. Step 4: Simplify right side
    20,286,797,029.20x = 354,071,929,870,479,196,160
  5. Step 5: Solve for x
    x = 354,071,929,870,479,196,160/20,286,797,029.20
  6. Step 6: Final answer
    x = 17,453,318,498.77

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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.