Home / 18,786,880,122,028-28,184,376,304,878-5,718,665,966,459.20

Finding the Fourth Proportional to 18,786,880,122,028, 28,184,376,304,878 and 5,718,665,966,459.20

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Solution

The fourth proportional to 18,786,880,122,028, 28,184,376,304,878 and 5,718,665,966,459.20 is: 8,579,233,620,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,880,122,028 : 28,184,376,304,878 = 5,718,665,966,459.20 : x
  2. Step 2: Convert to fraction form
    18,786,880,122,028/28,184,376,304,878 = 5,718,665,966,459.20/x
  3. Step 3: Cross multiply
    18,786,880,122,028x = 28,184,376,304,878 × 5,718,665,966,459.20
  4. Step 4: Simplify right side
    18,786,880,122,028x = 161,177,033,560,584,930,728,083,456
  5. Step 5: Solve for x
    x = 161,177,033,560,584,930,728,083,456/18,786,880,122,028
  6. Step 6: Final answer
    x = 8,579,233,620,147.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.