Home / 18,406,416,581.70-27,609,624,872.55-12,773,992,287.30

Finding the Fourth Proportional to 18,406,416,581.70, 27,609,624,872.55 and 12,773,992,287.30

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Solution

The fourth proportional to 18,406,416,581.70, 27,609,624,872.55 and 12,773,992,287.30 is: 19,160,988,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,416,581.70 : 27,609,624,872.55 = 12,773,992,287.30 : x
  2. Step 2: Convert to fraction form
    18,406,416,581.70/27,609,624,872.55 = 12,773,992,287.30/x
  3. Step 3: Cross multiply
    18,406,416,581.70x = 27,609,624,872.55 × 12,773,992,287.30
  4. Step 4: Simplify right side
    18,406,416,581.70x = 352,685,135,177,199,910,912
  5. Step 5: Solve for x
    x = 352,685,135,177,199,910,912/18,406,416,581.70
  6. Step 6: Final answer
    x = 19,160,988,430.95

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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.