Home / 21,960,213,565.72-30,305,733,991.05-12,444,448,910.53

Finding the Fourth Proportional to 21,960,213,565.72, 30,305,733,991.05 and 12,444,448,910.53

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Solution

The fourth proportional to 21,960,213,565.72, 30,305,733,991.05 and 12,444,448,910.53 is: 17,173,701,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,213,565.72 : 30,305,733,991.05 = 12,444,448,910.53 : x
  2. Step 2: Convert to fraction form
    21,960,213,565.72/30,305,733,991.05 = 12,444,448,910.53/x
  3. Step 3: Cross multiply
    21,960,213,565.72x = 30,305,733,991.05 × 12,444,448,910.53
  4. Step 4: Simplify right side
    21,960,213,565.72x = 377,138,158,347,832,131,584
  5. Step 5: Solve for x
    x = 377,138,158,347,832,131,584/21,960,213,565.72
  6. Step 6: Final answer
    x = 17,173,701,759.28

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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.