Home / 13,014,189,972.88-17,958,327,231.47-7,298,706,431.68

Finding the Fourth Proportional to 13,014,189,972.88, 17,958,327,231.47 and 7,298,706,431.68

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Solution

The fourth proportional to 13,014,189,972.88, 17,958,327,231.47 and 7,298,706,431.68 is: 10,071,511,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,189,972.88 : 17,958,327,231.47 = 7,298,706,431.68 : x
  2. Step 2: Convert to fraction form
    13,014,189,972.88/17,958,327,231.47 = 7,298,706,431.68/x
  3. Step 3: Cross multiply
    13,014,189,972.88x = 17,958,327,231.47 × 7,298,706,431.68
  4. Step 4: Simplify right side
    13,014,189,972.88x = 131,072,558,466,462,777,344
  5. Step 5: Solve for x
    x = 131,072,558,466,462,777,344/13,014,189,972.88
  6. Step 6: Final answer
    x = 10,071,511,076.73

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Double scale
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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.