Home / 13,286,493,994,196-20,029,325,990,940-12,400,812,619,638

Finding the Fourth Proportional to 13,286,493,994,196, 20,029,325,990,940 and 12,400,812,619,638

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Solution

The fourth proportional to 13,286,493,994,196, 20,029,325,990,940 and 12,400,812,619,638 is: 18,694,165,565,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,493,994,196 : 20,029,325,990,940 = 12,400,812,619,638 : x
  2. Step 2: Convert to fraction form
    13,286,493,994,196/20,029,325,990,940 = 12,400,812,619,638/x
  3. Step 3: Cross multiply
    13,286,493,994,196x = 20,029,325,990,940 × 12,400,812,619,638
  4. Step 4: Simplify right side
    13,286,493,994,196x = 248,379,918,511,292,153,478,512,640
  5. Step 5: Solve for x
    x = 248,379,918,511,292,153,478,512,640/13,286,493,994,196
  6. Step 6: Final answer
    x = 18,694,165,565,407.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.