Home / 1,693,685,104.65-2,540,245,874.12-512,984,867.56

Finding the Fourth Proportional to 1,693,685,104.65, 2,540,245,874.12 and 512,984,867.56

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Solution

The fourth proportional to 1,693,685,104.65, 2,540,245,874.12 and 512,984,867.56 is: 769,391,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,685,104.65 : 2,540,245,874.12 = 512,984,867.56 : x
  2. Step 2: Convert to fraction form
    1,693,685,104.65/2,540,245,874.12 = 512,984,867.56/x
  3. Step 3: Cross multiply
    1,693,685,104.65x = 2,540,245,874.12 × 512,984,867.56
  4. Step 4: Simplify right side
    1,693,685,104.65x = 1,303,107,693,315,467,520
  5. Step 5: Solve for x
    x = 1,303,107,693,315,467,520/1,693,685,104.65
  6. Step 6: Final answer
    x = 769,391,954.70

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Double scale
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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.