Home / 21,873,236,692.95-30,189,922,593.52-13,297,841,172.41

Finding the Fourth Proportional to 21,873,236,692.95, 30,189,922,593.52 and 13,297,841,172.41

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Solution

The fourth proportional to 21,873,236,692.95, 30,189,922,593.52 and 13,297,841,172.41 is: 18,353,972,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,236,692.95 : 30,189,922,593.52 = 13,297,841,172.41 : x
  2. Step 2: Convert to fraction form
    21,873,236,692.95/30,189,922,593.52 = 13,297,841,172.41/x
  3. Step 3: Cross multiply
    21,873,236,692.95x = 30,189,922,593.52 × 13,297,841,172.41
  4. Step 4: Simplify right side
    21,873,236,692.95x = 401,460,795,655,883,390,976
  5. Step 5: Solve for x
    x = 401,460,795,655,883,390,976/21,873,236,692.95
  6. Step 6: Final answer
    x = 18,353,972,998.67

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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.