Home / 681,040,177.63-1,021,560,279.91-163,470,618.18

Finding the Fourth Proportional to 681,040,177.63, 1,021,560,279.91 and 163,470,618.18

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Solution

The fourth proportional to 681,040,177.63, 1,021,560,279.91 and 163,470,618.18 is: 245,205,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,177.63 : 1,021,560,279.91 = 163,470,618.18 : x
  2. Step 2: Convert to fraction form
    681,040,177.63/1,021,560,279.91 = 163,470,618.18/x
  3. Step 3: Cross multiply
    681,040,177.63x = 1,021,560,279.91 × 163,470,618.18
  4. Step 4: Simplify right side
    681,040,177.63x = 166,995,090,464,612,864
  5. Step 5: Solve for x
    x = 166,995,090,464,612,864/681,040,177.63
  6. Step 6: Final answer
    x = 245,205,930.50

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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.