Home / 20,128,626,158.88-27,777,588,283.92-11,096,186,033.76

Finding the Fourth Proportional to 20,128,626,158.88, 27,777,588,283.92 and 11,096,186,033.76

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Solution

The fourth proportional to 20,128,626,158.88, 27,777,588,283.92 and 11,096,186,033.76 is: 15,312,783,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,626,158.88 : 27,777,588,283.92 = 11,096,186,033.76 : x
  2. Step 2: Convert to fraction form
    20,128,626,158.88/27,777,588,283.92 = 11,096,186,033.76/x
  3. Step 3: Cross multiply
    20,128,626,158.88x = 27,777,588,283.92 × 11,096,186,033.76
  4. Step 4: Simplify right side
    20,128,626,158.88x = 308,225,287,167,568,510,976
  5. Step 5: Solve for x
    x = 308,225,287,167,568,510,976/20,128,626,158.88
  6. Step 6: Final answer
    x = 15,312,783,134.56

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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.