Home / 2,147,908,955.34-3,222,348,183.72-654,074,131.78

Finding the Fourth Proportional to 2,147,908,955.34, 3,222,348,183.72 and 654,074,131.78

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Solution

The fourth proportional to 2,147,908,955.34, 3,222,348,183.72 and 654,074,131.78 is: 981,258,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,908,955.34 : 3,222,348,183.72 = 654,074,131.78 : x
  2. Step 2: Convert to fraction form
    2,147,908,955.34/3,222,348,183.72 = 654,074,131.78/x
  3. Step 3: Cross multiply
    2,147,908,955.34x = 3,222,348,183.72 × 654,074,131.78
  4. Step 4: Simplify right side
    2,147,908,955.34x = 2,107,654,590,561,812,224
  5. Step 5: Solve for x
    x = 2,107,654,590,561,812,224/2,147,908,955.34
  6. Step 6: Final answer
    x = 981,258,812.36

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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.