Home / 12,392,956,914.70-18,593,082,572.94-3,998,705,072.62

Finding the Fourth Proportional to 12,392,956,914.70, 18,593,082,572.94 and 3,998,705,072.62

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Solution

The fourth proportional to 12,392,956,914.70, 18,593,082,572.94 and 3,998,705,072.62 is: 5,999,234,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,956,914.70 : 18,593,082,572.94 = 3,998,705,072.62 : x
  2. Step 2: Convert to fraction form
    12,392,956,914.70/18,593,082,572.94 = 3,998,705,072.62/x
  3. Step 3: Cross multiply
    12,392,956,914.70x = 18,593,082,572.94 × 3,998,705,072.62
  4. Step 4: Simplify right side
    12,392,956,914.70x = 74,348,253,600,057,688,064
  5. Step 5: Solve for x
    x = 74,348,253,600,057,688,064/12,392,956,914.70
  6. Step 6: Final answer
    x = 5,999,234,412.88

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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.