Home / 40,240,756,823.08-55,530,627,626.90-21,929,425,660.12

Finding the Fourth Proportional to 40,240,756,823.08, 55,530,627,626.90 and 21,929,425,660.12

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Solution

The fourth proportional to 40,240,756,823.08, 55,530,627,626.90 and 21,929,425,660.12 is: 30,261,726,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,823.08 : 55,530,627,626.90 = 21,929,425,660.12 : x
  2. Step 2: Convert to fraction form
    40,240,756,823.08/55,530,627,626.90 = 21,929,425,660.12/x
  3. Step 3: Cross multiply
    40,240,756,823.08x = 55,530,627,626.90 × 21,929,425,660.12
  4. Step 4: Simplify right side
    40,240,756,823.08x = 1,217,754,770,404,131,733,504
  5. Step 5: Solve for x
    x = 1,217,754,770,404,131,733,504/40,240,756,823.08
  6. Step 6: Final answer
    x = 30,261,726,332.78

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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.