Home / 387,260,668,620.69-580,722,297,354.63-205,703,770,120.14

Finding the Fourth Proportional to 387,260,668,620.69, 580,722,297,354.63 and 205,703,770,120.14

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Solution

The fourth proportional to 387,260,668,620.69, 580,722,297,354.63 and 205,703,770,120.14 is: 308,466,042,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,260,668,620.69 : 580,722,297,354.63 = 205,703,770,120.14 : x
  2. Step 2: Convert to fraction form
    387,260,668,620.69/580,722,297,354.63 = 205,703,770,120.14/x
  3. Step 3: Cross multiply
    387,260,668,620.69x = 580,722,297,354.63 × 205,703,770,120.14
  4. Step 4: Simplify right side
    387,260,668,620.69x = 119,456,765,958,676,400,832,512
  5. Step 5: Solve for x
    x = 119,456,765,958,676,400,832,512/387,260,668,620.69
  6. Step 6: Final answer
    x = 308,466,042,741.05

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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.