Home / 21,893,628,277.45-30,215,458,913.50-13,320,663,538.96

Finding the Fourth Proportional to 21,893,628,277.45, 30,215,458,913.50 and 13,320,663,538.96

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Solution

The fourth proportional to 21,893,628,277.45, 30,215,458,913.50 and 13,320,663,538.96 is: 18,383,885,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,628,277.45 : 30,215,458,913.50 = 13,320,663,538.96 : x
  2. Step 2: Convert to fraction form
    21,893,628,277.45/30,215,458,913.50 = 13,320,663,538.96/x
  3. Step 3: Cross multiply
    21,893,628,277.45x = 30,215,458,913.50 × 13,320,663,538.96
  4. Step 4: Simplify right side
    21,893,628,277.45x = 402,489,961,862,003,359,744
  5. Step 5: Solve for x
    x = 402,489,961,862,003,359,744/21,893,628,277.45
  6. Step 6: Final answer
    x = 18,383,885,793.68

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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.