Home / 681,040,009.19-1,021,560,025.68-163,470,449.67

Finding the Fourth Proportional to 681,040,009.19, 1,021,560,025.68 and 163,470,449.67

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Solution

The fourth proportional to 681,040,009.19, 1,021,560,025.68 and 163,470,449.67 is: 245,205,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,009.19 : 1,021,560,025.68 = 163,470,449.67 : x
  2. Step 2: Convert to fraction form
    681,040,009.19/1,021,560,025.68 = 163,470,449.67/x
  3. Step 3: Cross multiply
    681,040,009.19x = 1,021,560,025.68 × 163,470,449.67
  4. Step 4: Simplify right side
    681,040,009.19x = 166,994,876,762,806,336
  5. Step 5: Solve for x
    x = 166,994,876,762,806,336/681,040,009.19
  6. Step 6: Final answer
    x = 245,205,677.36

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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.