Home / 40,252,013,932.72-55,550,264,438.16-22,187,489,400.73

Finding the Fourth Proportional to 40,252,013,932.72, 55,550,264,438.16 and 22,187,489,400.73

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Solution

The fourth proportional to 40,252,013,932.72, 55,550,264,438.16 and 22,187,489,400.73 is: 30,620,105,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252,013,932.72 : 55,550,264,438.16 = 22,187,489,400.73 : x
  2. Step 2: Convert to fraction form
    40,252,013,932.72/55,550,264,438.16 = 22,187,489,400.73/x
  3. Step 3: Cross multiply
    40,252,013,932.72x = 55,550,264,438.16 × 22,187,489,400.73
  4. Step 4: Simplify right side
    40,252,013,932.72x = 1,232,520,903,429,423,628,288
  5. Step 5: Solve for x
    x = 1,232,520,903,429,423,628,288/40,252,013,932.72
  6. Step 6: Final answer
    x = 30,620,105,257.09

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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.