Home / 40,234,986,077.72-55,525,465,174.56-22,171,665,863.37

Finding the Fourth Proportional to 40,234,986,077.72, 55,525,465,174.56 and 22,171,665,863.37

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Solution

The fourth proportional to 40,234,986,077.72, 55,525,465,174.56 and 22,171,665,863.37 is: 30,597,551,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234,986,077.72 : 55,525,465,174.56 = 22,171,665,863.37 : x
  2. Step 2: Convert to fraction form
    40,234,986,077.72/55,525,465,174.56 = 22,171,665,863.37/x
  3. Step 3: Cross multiply
    40,234,986,077.72x = 55,525,465,174.56 × 22,171,665,863.37
  4. Step 4: Simplify right side
    40,234,986,077.72x = 1,231,092,060,758,531,637,248
  5. Step 5: Solve for x
    x = 1,231,092,060,758,531,637,248/40,234,986,077.72
  6. Step 6: Final answer
    x = 30,597,551,553.28

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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.