Home / 677,078,843.37-934,470,935.46-412,914,074.82

Finding the Fourth Proportional to 677,078,843.37, 934,470,935.46 and 412,914,074.82

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Solution

The fourth proportional to 677,078,843.37, 934,470,935.46 and 412,914,074.82 is: 569,883,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,078,843.37 : 934,470,935.46 = 412,914,074.82 : x
  2. Step 2: Convert to fraction form
    677,078,843.37/934,470,935.46 = 412,914,074.82/x
  3. Step 3: Cross multiply
    677,078,843.37x = 934,470,935.46 × 412,914,074.82
  4. Step 4: Simplify right side
    677,078,843.37x = 385,856,201,761,645,824
  5. Step 5: Solve for x
    x = 385,856,201,761,645,824/677,078,843.37
  6. Step 6: Final answer
    x = 569,883,707.84

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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.