Home / 13,305,656,753.97-18,361,806,682.64-7,365,209,255.97

Finding the Fourth Proportional to 13,305,656,753.97, 18,361,806,682.64 and 7,365,209,255.97

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Solution

The fourth proportional to 13,305,656,753.97, 18,361,806,682.64 and 7,365,209,255.97 is: 10,163,988,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,656,753.97 : 18,361,806,682.64 = 7,365,209,255.97 : x
  2. Step 2: Convert to fraction form
    13,305,656,753.97/18,361,806,682.64 = 7,365,209,255.97/x
  3. Step 3: Cross multiply
    13,305,656,753.97x = 18,361,806,682.64 × 7,365,209,255.97
  4. Step 4: Simplify right side
    13,305,656,753.97x = 135,238,548,535,245,832,192
  5. Step 5: Solve for x
    x = 135,238,548,535,245,832,192/13,305,656,753.97
  6. Step 6: Final answer
    x = 10,163,988,973.71

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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.