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Finding the Fourth Proportional to 1,694,622,571.03, 2,338,519,501.96 and 931,661,085.97

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Solution

The fourth proportional to 1,694,622,571.03, 2,338,519,501.96 and 931,661,085.97 is: 1,285,659,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,622,571.03 : 2,338,519,501.96 = 931,661,085.97 : x
  2. Step 2: Convert to fraction form
    1,694,622,571.03/2,338,519,501.96 = 931,661,085.97/x
  3. Step 3: Cross multiply
    1,694,622,571.03x = 2,338,519,501.96 × 931,661,085.97
  4. Step 4: Simplify right side
    1,694,622,571.03x = 2,178,707,618,758,077,184
  5. Step 5: Solve for x
    x = 2,178,707,618,758,077,184/1,694,622,571.03
  6. Step 6: Final answer
    x = 1,285,659,506.73

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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.