Home / 21,960,213,565.97-30,305,733,991.40-12,444,448,910.78

Finding the Fourth Proportional to 21,960,213,565.97, 30,305,733,991.40 and 12,444,448,910.78

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Solution

The fourth proportional to 21,960,213,565.97, 30,305,733,991.40 and 12,444,448,910.78 is: 17,173,701,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,213,565.97 : 30,305,733,991.40 = 12,444,448,910.78 : x
  2. Step 2: Convert to fraction form
    21,960,213,565.97/30,305,733,991.40 = 12,444,448,910.78/x
  3. Step 3: Cross multiply
    21,960,213,565.97x = 30,305,733,991.40 × 12,444,448,910.78
  4. Step 4: Simplify right side
    21,960,213,565.97x = 377,138,158,359,666,163,712
  5. Step 5: Solve for x
    x = 377,138,158,359,666,163,712/21,960,213,565.97
  6. Step 6: Final answer
    x = 17,173,701,759.63

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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.