Home / 19,711,179,953.88-27,201,073,758.86-11,137,422,512.37

Finding the Fourth Proportional to 19,711,179,953.88, 27,201,073,758.86 and 11,137,422,512.37

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Solution

The fourth proportional to 19,711,179,953.88, 27,201,073,758.86 and 11,137,422,512.37 is: 15,369,442,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711,179,953.88 : 27,201,073,758.86 = 11,137,422,512.37 : x
  2. Step 2: Convert to fraction form
    19,711,179,953.88/27,201,073,758.86 = 11,137,422,512.37/x
  3. Step 3: Cross multiply
    19,711,179,953.88x = 27,201,073,758.86 × 11,137,422,512.37
  4. Step 4: Simplify right side
    19,711,179,953.88x = 302,949,851,242,652,041,216
  5. Step 5: Solve for x
    x = 302,949,851,242,652,041,216/19,711,179,953.88
  6. Step 6: Final answer
    x = 15,369,442,719.90

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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.