Home / 1,491,520,048.39-2,057,937,720.82-962,770,796.65

Finding the Fourth Proportional to 1,491,520,048.39, 2,057,937,720.82 and 962,770,796.65

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Solution

The fourth proportional to 1,491,520,048.39, 2,057,937,720.82 and 962,770,796.65 is: 1,328,391,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,520,048.39 : 2,057,937,720.82 = 962,770,796.65 : x
  2. Step 2: Convert to fraction form
    1,491,520,048.39/2,057,937,720.82 = 962,770,796.65/x
  3. Step 3: Cross multiply
    1,491,520,048.39x = 2,057,937,720.82 × 962,770,796.65
  4. Step 4: Simplify right side
    1,491,520,048.39x = 1,981,322,338,929,956,608
  5. Step 5: Solve for x
    x = 1,981,322,338,929,956,608/1,491,520,048.39
  6. Step 6: Final answer
    x = 1,328,391,355.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.