Home / 40,240,756,825.90-55,530,627,630.76-21,929,425,662.89

Finding the Fourth Proportional to 40,240,756,825.90, 55,530,627,630.76 and 21,929,425,662.89

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Solution

The fourth proportional to 40,240,756,825.90, 55,530,627,630.76 and 21,929,425,662.89 is: 30,261,726,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,825.90 : 55,530,627,630.76 = 21,929,425,662.89 : x
  2. Step 2: Convert to fraction form
    40,240,756,825.90/55,530,627,630.76 = 21,929,425,662.89/x
  3. Step 3: Cross multiply
    40,240,756,825.90x = 55,530,627,630.76 × 21,929,425,662.89
  4. Step 4: Simplify right side
    40,240,756,825.90x = 1,217,754,770,642,543,575,040
  5. Step 5: Solve for x
    x = 1,217,754,770,642,543,575,040/40,240,756,825.90
  6. Step 6: Final answer
    x = 30,261,726,336.59

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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.