Home / 20,128,719,202.65-27,777,716,400.92-11,096,278,879.32

Finding the Fourth Proportional to 20,128,719,202.65, 27,777,716,400.92 and 11,096,278,879.32

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Solution

The fourth proportional to 20,128,719,202.65, 27,777,716,400.92 and 11,096,278,879.32 is: 15,312,911,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,719,202.65 : 27,777,716,400.92 = 11,096,278,879.32 : x
  2. Step 2: Convert to fraction form
    20,128,719,202.65/27,777,716,400.92 = 11,096,278,879.32/x
  3. Step 3: Cross multiply
    20,128,719,202.65x = 27,777,716,400.92 × 11,096,278,879.32
  4. Step 4: Simplify right side
    20,128,719,202.65x = 308,229,287,815,213,875,200
  5. Step 5: Solve for x
    x = 308,229,287,815,213,875,200/20,128,719,202.65
  6. Step 6: Final answer
    x = 15,312,911,105.37

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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.