Home / 18,956,217,248.58-26,146,983,693.42-12,190,589,331.66

Finding the Fourth Proportional to 18,956,217,248.58, 26,146,983,693.42 and 12,190,589,331.66

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Solution

The fourth proportional to 18,956,217,248.58, 26,146,983,693.42 and 12,190,589,331.66 is: 16,814,912,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,217,248.58 : 26,146,983,693.42 = 12,190,589,331.66 : x
  2. Step 2: Convert to fraction form
    18,956,217,248.58/26,146,983,693.42 = 12,190,589,331.66/x
  3. Step 3: Cross multiply
    18,956,217,248.58x = 26,146,983,693.42 × 12,190,589,331.66
  4. Step 4: Simplify right side
    18,956,217,248.58x = 318,747,140,468,093,812,736
  5. Step 5: Solve for x
    x = 318,747,140,468,093,812,736/18,956,217,248.58
  6. Step 6: Final answer
    x = 16,814,912,821.91

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Double scale
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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.