Home / 13,885,559,129.82-19,161,745,680.78-8,170,213,734.66

Finding the Fourth Proportional to 13,885,559,129.82, 19,161,745,680.78 and 8,170,213,734.66

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Solution

The fourth proportional to 13,885,559,129.82, 19,161,745,680.78 and 8,170,213,734.66 is: 11,274,703,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,559,129.82 : 19,161,745,680.78 = 8,170,213,734.66 : x
  2. Step 2: Convert to fraction form
    13,885,559,129.82/19,161,745,680.78 = 8,170,213,734.66/x
  3. Step 3: Cross multiply
    13,885,559,129.82x = 19,161,745,680.78 × 8,170,213,734.66
  4. Step 4: Simplify right side
    13,885,559,129.82x = 156,555,557,741,170,688,000
  5. Step 5: Solve for x
    x = 156,555,557,741,170,688,000/13,885,559,129.82
  6. Step 6: Final answer
    x = 11,274,703,184.62

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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.