Home / 681,040,007.69-1,021,560,023.43-163,470,448.17

Finding the Fourth Proportional to 681,040,007.69, 1,021,560,023.43 and 163,470,448.17

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Solution

The fourth proportional to 681,040,007.69, 1,021,560,023.43 and 163,470,448.17 is: 245,205,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,007.69 : 1,021,560,023.43 = 163,470,448.17 : x
  2. Step 2: Convert to fraction form
    681,040,007.69/1,021,560,023.43 = 163,470,448.17/x
  3. Step 3: Cross multiply
    681,040,007.69x = 1,021,560,023.43 × 163,470,448.17
  4. Step 4: Simplify right side
    681,040,007.69x = 166,994,874,862,657,792
  5. Step 5: Solve for x
    x = 166,994,874,862,657,792/681,040,007.69
  6. Step 6: Final answer
    x = 245,205,675.11

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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.