Home / 1,491,520,047.39-2,057,937,719.45-962,770,795.65

Finding the Fourth Proportional to 1,491,520,047.39, 2,057,937,719.45 and 962,770,795.65

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Solution

The fourth proportional to 1,491,520,047.39, 2,057,937,719.45 and 962,770,795.65 is: 1,328,391,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,520,047.39 : 2,057,937,719.45 = 962,770,795.65 : x
  2. Step 2: Convert to fraction form
    1,491,520,047.39/2,057,937,719.45 = 962,770,795.65/x
  3. Step 3: Cross multiply
    1,491,520,047.39x = 2,057,937,719.45 × 962,770,795.65
  4. Step 4: Simplify right side
    1,491,520,047.39x = 1,981,322,335,548,208,896
  5. Step 5: Solve for x
    x = 1,981,322,335,548,208,896/1,491,520,047.39
  6. Step 6: Final answer
    x = 1,328,391,354.19

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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.