Home / 20,178,193,186.24-27,846,752,561.42-11,604,626,519.78

Finding the Fourth Proportional to 20,178,193,186.24, 27,846,752,561.42 and 11,604,626,519.78

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Solution

The fourth proportional to 20,178,193,186.24, 27,846,752,561.42 and 11,604,626,519.78 is: 16,014,871,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,193,186.24 : 27,846,752,561.42 = 11,604,626,519.78 : x
  2. Step 2: Convert to fraction form
    20,178,193,186.24/27,846,752,561.42 = 11,604,626,519.78/x
  3. Step 3: Cross multiply
    20,178,193,186.24x = 27,846,752,561.42 × 11,604,626,519.78
  4. Step 4: Simplify right side
    20,178,193,186.24x = 323,151,163,264,006,160,384
  5. Step 5: Solve for x
    x = 323,151,163,264,006,160,384/20,178,193,186.24
  6. Step 6: Final answer
    x = 16,014,871,117.62

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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.