Home / 454,026,785.09-681,040,186.61-108,980,412.12

Finding the Fourth Proportional to 454,026,785.09, 681,040,186.61 and 108,980,412.12

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Solution

The fourth proportional to 454,026,785.09, 681,040,186.61 and 108,980,412.12 is: 163,470,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,026,785.09 : 681,040,186.61 = 108,980,412.12 : x
  2. Step 2: Convert to fraction form
    454,026,785.09/681,040,186.61 = 108,980,412.12/x
  3. Step 3: Cross multiply
    454,026,785.09x = 681,040,186.61 × 108,980,412.12
  4. Step 4: Simplify right side
    454,026,785.09x = 74,220,040,206,494,608
  5. Step 5: Solve for x
    x = 74,220,040,206,494,608/454,026,785.09
  6. Step 6: Final answer
    x = 163,470,620.33

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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.