Home / 28,422,372,874,270-39,222,844,818,990-15,922,190,905,442

Finding the Fourth Proportional to 28,422,372,874,270, 39,222,844,818,990 and 15,922,190,905,442

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Solution

The fourth proportional to 28,422,372,874,270, 39,222,844,818,990 and 15,922,190,905,442 is: 21,972,606,784,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422,372,874,270 : 39,222,844,818,990 = 15,922,190,905,442 : x
  2. Step 2: Convert to fraction form
    28,422,372,874,270/39,222,844,818,990 = 15,922,190,905,442/x
  3. Step 3: Cross multiply
    28,422,372,874,270x = 39,222,844,818,990 × 15,922,190,905,442
  4. Step 4: Simplify right side
    28,422,372,874,270x = 624,513,623,062,485,452,317,523,968
  5. Step 5: Solve for x
    x = 624,513,623,062,485,452,317,523,968/28,422,372,874,270
  6. Step 6: Final answer
    x = 21,972,606,784,982.43

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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.