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Finding the Fourth Proportional to 1,095,619,616.22, 1,512,095,093.91 and 612,838,397.28

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Solution

The fourth proportional to 1,095,619,616.22, 1,512,095,093.91 and 612,838,397.28 is: 845,795,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,619,616.22 : 1,512,095,093.91 = 612,838,397.28 : x
  2. Step 2: Convert to fraction form
    1,095,619,616.22/1,512,095,093.91 = 612,838,397.28/x
  3. Step 3: Cross multiply
    1,095,619,616.22x = 1,512,095,093.91 × 612,838,397.28
  4. Step 4: Simplify right side
    1,095,619,616.22x = 926,669,933,888,029,824
  5. Step 5: Solve for x
    x = 926,669,933,888,029,824/1,095,619,616.22
  6. Step 6: Final answer
    x = 845,795,310.86

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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.