Home / 681,040,104-1,021,560,167.21-163,470,543.81

Finding the Fourth Proportional to 681,040,104, 1,021,560,167.21 and 163,470,543.81

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Solution

The fourth proportional to 681,040,104, 1,021,560,167.21 and 163,470,543.81 is: 245,205,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,104 : 1,021,560,167.21 = 163,470,543.81 : x
  2. Step 2: Convert to fraction form
    681,040,104/1,021,560,167.21 = 163,470,543.81/x
  3. Step 3: Cross multiply
    681,040,104x = 1,021,560,167.21 × 163,470,543.81
  4. Step 4: Simplify right side
    681,040,104x = 166,994,996,067,635,872
  5. Step 5: Solve for x
    x = 166,994,996,067,635,872/681,040,104
  6. Step 6: Final answer
    x = 245,205,818.40

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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.