Home / 681,040,005.44-1,021,560,020.06-163,470,445.92

Finding the Fourth Proportional to 681,040,005.44, 1,021,560,020.06 and 163,470,445.92

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Solution

The fourth proportional to 681,040,005.44, 1,021,560,020.06 and 163,470,445.92 is: 245,205,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,005.44 : 1,021,560,020.06 = 163,470,445.92 : x
  2. Step 2: Convert to fraction form
    681,040,005.44/1,021,560,020.06 = 163,470,445.92/x
  3. Step 3: Cross multiply
    681,040,005.44x = 1,021,560,020.06 × 163,470,445.92
  4. Step 4: Simplify right side
    681,040,005.44x = 166,994,872,012,434,976
  5. Step 5: Solve for x
    x = 166,994,872,012,434,976/681,040,005.44
  6. Step 6: Final answer
    x = 245,205,671.74

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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.