Home / 681,040,240.44-1,021,560,374.16-163,470,681.06

Finding the Fourth Proportional to 681,040,240.44, 1,021,560,374.16 and 163,470,681.06

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Solution

The fourth proportional to 681,040,240.44, 1,021,560,374.16 and 163,470,681.06 is: 245,206,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,240.44 : 1,021,560,374.16 = 163,470,681.06 : x
  2. Step 2: Convert to fraction form
    681,040,240.44/1,021,560,374.16 = 163,470,681.06/x
  3. Step 3: Cross multiply
    681,040,240.44x = 1,021,560,374.16 × 163,470,681.06
  4. Step 4: Simplify right side
    681,040,240.44x = 166,995,170,107,843,616
  5. Step 5: Solve for x
    x = 166,995,170,107,843,616/681,040,240.44
  6. Step 6: Final answer
    x = 245,206,024.83

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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.