Home / 18,635,991,236.64-25,718,302,536.44-11,021,564,375.76

Finding the Fourth Proportional to 18,635,991,236.64, 25,718,302,536.44 and 11,021,564,375.76

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Solution

The fourth proportional to 18,635,991,236.64, 25,718,302,536.44 and 11,021,564,375.76 is: 15,210,134,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635,991,236.64 : 25,718,302,536.44 = 11,021,564,375.76 : x
  2. Step 2: Convert to fraction form
    18,635,991,236.64/25,718,302,536.44 = 11,021,564,375.76/x
  3. Step 3: Cross multiply
    18,635,991,236.64x = 25,718,302,536.44 × 11,021,564,375.76
  4. Step 4: Simplify right side
    18,635,991,236.64x = 283,455,927,040,645,136,384
  5. Step 5: Solve for x
    x = 283,455,927,040,645,136,384/18,635,991,236.64
  6. Step 6: Final answer
    x = 15,210,134,166.80

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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.