Home / 681,040,111.26-1,021,560,178.08-163,470,551.06

Finding the Fourth Proportional to 681,040,111.26, 1,021,560,178.08 and 163,470,551.06

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Solution

The fourth proportional to 681,040,111.26, 1,021,560,178.08 and 163,470,551.06 is: 245,205,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,111.26 : 1,021,560,178.08 = 163,470,551.06 : x
  2. Step 2: Convert to fraction form
    681,040,111.26/1,021,560,178.08 = 163,470,551.06/x
  3. Step 3: Cross multiply
    681,040,111.26x = 1,021,560,178.08 × 163,470,551.06
  4. Step 4: Simplify right side
    681,040,111.26x = 166,995,005,251,689,344
  5. Step 5: Solve for x
    x = 166,995,005,251,689,344/681,040,111.26
  6. Step 6: Final answer
    x = 245,205,829.28

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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.