Home / 21,960,213,567.72-30,305,733,993.81-12,444,448,912.53

Finding the Fourth Proportional to 21,960,213,567.72, 30,305,733,993.81 and 12,444,448,912.53

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Solution

The fourth proportional to 21,960,213,567.72, 30,305,733,993.81 and 12,444,448,912.53 is: 17,173,701,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,213,567.72 : 30,305,733,993.81 = 12,444,448,912.53 : x
  2. Step 2: Convert to fraction form
    21,960,213,567.72/30,305,733,993.81 = 12,444,448,912.53/x
  3. Step 3: Cross multiply
    21,960,213,567.72x = 30,305,733,993.81 × 12,444,448,912.53
  4. Step 4: Simplify right side
    21,960,213,567.72x = 377,138,158,442,692,345,856
  5. Step 5: Solve for x
    x = 377,138,158,442,692,345,856/21,960,213,567.72
  6. Step 6: Final answer
    x = 17,173,701,762.04

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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.