Home / 21,082,768,322,840-29,092,623,599,852-11,831,965,992,895

Finding the Fourth Proportional to 21,082,768,322,840, 29,092,623,599,852 and 11,831,965,992,895

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Solution

The fourth proportional to 21,082,768,322,840, 29,092,623,599,852 and 11,831,965,992,895 is: 16,327,216,986,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082,768,322,840 : 29,092,623,599,852 = 11,831,965,992,895 : x
  2. Step 2: Convert to fraction form
    21,082,768,322,840/29,092,623,599,852 = 11,831,965,992,895/x
  3. Step 3: Cross multiply
    21,082,768,322,840x = 29,092,623,599,852 × 11,831,965,992,895
  4. Step 4: Simplify right side
    21,082,768,322,840x = 344,222,933,077,543,364,803,428,352
  5. Step 5: Solve for x
    x = 344,222,933,077,543,364,803,428,352/21,082,768,322,840
  6. Step 6: Final answer
    x = 16,327,216,986,235.61

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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.