Home / 490,792,088,879.84-736,261,743,508.68-172,382,166,179.48

Finding the Fourth Proportional to 490,792,088,879.84, 736,261,743,508.68 and 172,382,166,179.48

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Solution

The fourth proportional to 490,792,088,879.84, 736,261,743,508.68 and 172,382,166,179.48 is: 258,599,103,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,792,088,879.84 : 736,261,743,508.68 = 172,382,166,179.48 : x
  2. Step 2: Convert to fraction form
    490,792,088,879.84/736,261,743,508.68 = 172,382,166,179.48/x
  3. Step 3: Cross multiply
    490,792,088,879.84x = 736,261,743,508.68 × 172,382,166,179.48
  4. Step 4: Simplify right side
    490,792,088,879.84x = 126,918,394,221,106,965,774,336
  5. Step 5: Solve for x
    x = 126,918,394,221,106,965,774,336/490,792,088,879.84
  6. Step 6: Final answer
    x = 258,599,103,564.97

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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.