Home / 1,121,997,794.92-1,548,327,255.78-626,964,571.24

Finding the Fourth Proportional to 1,121,997,794.92, 1,548,327,255.78 and 626,964,571.24

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Solution

The fourth proportional to 1,121,997,794.92, 1,548,327,255.78 and 626,964,571.24 is: 865,194,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,997,794.92 : 1,548,327,255.78 = 626,964,571.24 : x
  2. Step 2: Convert to fraction form
    1,121,997,794.92/1,548,327,255.78 = 626,964,571.24/x
  3. Step 3: Cross multiply
    1,121,997,794.92x = 1,548,327,255.78 × 626,964,571.24
  4. Step 4: Simplify right side
    1,121,997,794.92x = 970,746,334,059,313,536
  5. Step 5: Solve for x
    x = 970,746,334,059,313,536/1,121,997,794.92
  6. Step 6: Final answer
    x = 865,194,511.48

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Half scale
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Double scale
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Similar ratio
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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.