Home / 40,240,756,824.15-55,530,627,628.36-21,929,425,661.17

Finding the Fourth Proportional to 40,240,756,824.15, 55,530,627,628.36 and 21,929,425,661.17

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Solution

The fourth proportional to 40,240,756,824.15, 55,530,627,628.36 and 21,929,425,661.17 is: 30,261,726,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,824.15 : 55,530,627,628.36 = 21,929,425,661.17 : x
  2. Step 2: Convert to fraction form
    40,240,756,824.15/55,530,627,628.36 = 21,929,425,661.17/x
  3. Step 3: Cross multiply
    40,240,756,824.15x = 55,530,627,628.36 × 21,929,425,661.17
  4. Step 4: Simplify right side
    40,240,756,824.15x = 1,217,754,770,493,846,323,200
  5. Step 5: Solve for x
    x = 1,217,754,770,493,846,323,200/40,240,756,824.15
  6. Step 6: Final answer
    x = 30,261,726,334.21

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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.