Home / 18,362,615,792.79-27,554,419,796.56-9,969,203,865.93

Finding the Fourth Proportional to 18,362,615,792.79, 27,554,419,796.56 and 9,969,203,865.93

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Solution

The fourth proportional to 18,362,615,792.79, 27,554,419,796.56 and 9,969,203,865.93 is: 14,959,504,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,615,792.79 : 27,554,419,796.56 = 9,969,203,865.93 : x
  2. Step 2: Convert to fraction form
    18,362,615,792.79/27,554,419,796.56 = 9,969,203,865.93/x
  3. Step 3: Cross multiply
    18,362,615,792.79x = 27,554,419,796.56 × 9,969,203,865.93
  4. Step 4: Simplify right side
    18,362,615,792.79x = 274,695,628,359,324,106,752
  5. Step 5: Solve for x
    x = 274,695,628,359,324,106,752/18,362,615,792.79
  6. Step 6: Final answer
    x = 14,959,504,215.47

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1.5x scale

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.