Home / 15,550,753,644.55-21,460,026,163.44-8,777,997,806.95

Finding the Fourth Proportional to 15,550,753,644.55, 21,460,026,163.44 and 8,777,997,806.95

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Solution

The fourth proportional to 15,550,753,644.55, 21,460,026,163.44 and 8,777,997,806.95 is: 12,113,629,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,753,644.55 : 21,460,026,163.44 = 8,777,997,806.95 : x
  2. Step 2: Convert to fraction form
    15,550,753,644.55/21,460,026,163.44 = 8,777,997,806.95/x
  3. Step 3: Cross multiply
    15,550,753,644.55x = 21,460,026,163.44 × 8,777,997,806.95
  4. Step 4: Simplify right side
    15,550,753,644.55x = 188,376,062,599,765,950,464
  5. Step 5: Solve for x
    x = 188,376,062,599,765,950,464/15,550,753,644.55
  6. Step 6: Final answer
    x = 12,113,629,146.57

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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.