Home / 361,151,190.09-498,391,571.07-196,139,940.57

Finding the Fourth Proportional to 361,151,190.09, 498,391,571.07 and 196,139,940.57

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Solution

The fourth proportional to 361,151,190.09, 498,391,571.07 and 196,139,940.57 is: 270,674,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,190.09 : 498,391,571.07 = 196,139,940.57 : x
  2. Step 2: Convert to fraction form
    361,151,190.09/498,391,571.07 = 196,139,940.57/x
  3. Step 3: Cross multiply
    361,151,190.09x = 498,391,571.07 × 196,139,940.57
  4. Step 4: Simplify right side
    361,151,190.09x = 97,754,493,130,258,720
  5. Step 5: Solve for x
    x = 97,754,493,130,258,720/361,151,190.09
  6. Step 6: Final answer
    x = 270,674,708.58

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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.