Home / 21,960,213,566.72-30,305,733,992.43-12,444,448,911.53

Finding the Fourth Proportional to 21,960,213,566.72, 30,305,733,992.43 and 12,444,448,911.53

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Solution

The fourth proportional to 21,960,213,566.72, 30,305,733,992.43 and 12,444,448,911.53 is: 17,173,701,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,213,566.72 : 30,305,733,992.43 = 12,444,448,911.53 : x
  2. Step 2: Convert to fraction form
    21,960,213,566.72/30,305,733,992.43 = 12,444,448,911.53/x
  3. Step 3: Cross multiply
    21,960,213,566.72x = 30,305,733,992.43 × 12,444,448,911.53
  4. Step 4: Simplify right side
    21,960,213,566.72x = 377,138,158,395,213,283,328
  5. Step 5: Solve for x
    x = 377,138,158,395,213,283,328/21,960,213,566.72
  6. Step 6: Final answer
    x = 17,173,701,760.66

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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.