Home / 40,252,013,933.72-55,550,264,439.54-22,187,489,401.73

Finding the Fourth Proportional to 40,252,013,933.72, 55,550,264,439.54 and 22,187,489,401.73

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Solution

The fourth proportional to 40,252,013,933.72, 55,550,264,439.54 and 22,187,489,401.73 is: 30,620,105,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252,013,933.72 : 55,550,264,439.54 = 22,187,489,401.73 : x
  2. Step 2: Convert to fraction form
    40,252,013,933.72/55,550,264,439.54 = 22,187,489,401.73/x
  3. Step 3: Cross multiply
    40,252,013,933.72x = 55,550,264,439.54 × 22,187,489,401.73
  4. Step 4: Simplify right side
    40,252,013,933.72x = 1,232,520,903,515,592,720,384
  5. Step 5: Solve for x
    x = 1,232,520,903,515,592,720,384/40,252,013,933.72
  6. Step 6: Final answer
    x = 30,620,105,258.46

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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.