Home / 12,649,668,425.21-18,976,635,859.61-4,253,578,202.09

Finding the Fourth Proportional to 12,649,668,425.21, 18,976,635,859.61 and 4,253,578,202.09

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Solution

The fourth proportional to 12,649,668,425.21, 18,976,635,859.61 and 4,253,578,202.09 is: 6,381,084,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,668,425.21 : 18,976,635,859.61 = 4,253,578,202.09 : x
  2. Step 2: Convert to fraction form
    12,649,668,425.21/18,976,635,859.61 = 4,253,578,202.09/x
  3. Step 3: Cross multiply
    12,649,668,425.21x = 18,976,635,859.61 × 4,253,578,202.09
  4. Step 4: Simplify right side
    12,649,668,425.21x = 80,718,604,641,320,370,176
  5. Step 5: Solve for x
    x = 80,718,604,641,320,370,176/12,649,668,425.21
  6. Step 6: Final answer
    x = 6,381,084,620.41

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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.