Home / 12,649,668,426.24-18,976,635,861.16-4,253,578,203.12

Finding the Fourth Proportional to 12,649,668,426.24, 18,976,635,861.16 and 4,253,578,203.12

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Solution

The fourth proportional to 12,649,668,426.24, 18,976,635,861.16 and 4,253,578,203.12 is: 6,381,084,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,668,426.24 : 18,976,635,861.16 = 4,253,578,203.12 : x
  2. Step 2: Convert to fraction form
    12,649,668,426.24/18,976,635,861.16 = 4,253,578,203.12/x
  3. Step 3: Cross multiply
    12,649,668,426.24x = 18,976,635,861.16 × 4,253,578,203.12
  4. Step 4: Simplify right side
    12,649,668,426.24x = 80,718,604,667,501,494,272
  5. Step 5: Solve for x
    x = 80,718,604,667,501,494,272/12,649,668,426.24
  6. Step 6: Final answer
    x = 6,381,084,621.96

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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.