Home / 681,040,139.56-1,021,560,222.87-163,470,580.11

Finding the Fourth Proportional to 681,040,139.56, 1,021,560,222.87 and 163,470,580.11

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Solution

The fourth proportional to 681,040,139.56, 1,021,560,222.87 and 163,470,580.11 is: 245,205,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,139.56 : 1,021,560,222.87 = 163,470,580.11 : x
  2. Step 2: Convert to fraction form
    681,040,139.56/1,021,560,222.87 = 163,470,580.11/x
  3. Step 3: Cross multiply
    681,040,139.56x = 1,021,560,222.87 × 163,470,580.11
  4. Step 4: Simplify right side
    681,040,139.56x = 166,995,042,249,859,808
  5. Step 5: Solve for x
    x = 166,995,042,249,859,808/681,040,139.56
  6. Step 6: Final answer
    x = 245,205,873.41

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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.