Home / 1,193,694,213.57-1,647,316,030.70-685,141,048.84

Finding the Fourth Proportional to 1,193,694,213.57, 1,647,316,030.70 and 685,141,048.84

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Solution

The fourth proportional to 1,193,694,213.57, 1,647,316,030.70 and 685,141,048.84 is: 945,504,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,694,213.57 : 1,647,316,030.70 = 685,141,048.84 : x
  2. Step 2: Convert to fraction form
    1,193,694,213.57/1,647,316,030.70 = 685,141,048.84/x
  3. Step 3: Cross multiply
    1,193,694,213.57x = 1,647,316,030.70 × 685,141,048.84
  4. Step 4: Simplify right side
    1,193,694,213.57x = 1,128,643,833,046,175,360
  5. Step 5: Solve for x
    x = 1,128,643,833,046,175,360/1,193,694,213.57
  6. Step 6: Final answer
    x = 945,504,987.97

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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.