Home / 3,873,714,722,009.70-5,345,694,547,474-2,115,865,379,985.10

Finding the Fourth Proportional to 3,873,714,722,009.70, 5,345,694,547,474 and 2,115,865,379,985.10

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Solution

The fourth proportional to 3,873,714,722,009.70, 5,345,694,547,474 and 2,115,865,379,985.10 is: 2,919,876,871,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,714,722,009.70 : 5,345,694,547,474 = 2,115,865,379,985.10 : x
  2. Step 2: Convert to fraction form
    3,873,714,722,009.70/5,345,694,547,474 = 2,115,865,379,985.10/x
  3. Step 3: Cross multiply
    3,873,714,722,009.70x = 5,345,694,547,474 × 2,115,865,379,985.10
  4. Step 4: Simplify right side
    3,873,714,722,009.70x = 11,310,770,024,975,353,012,813,824
  5. Step 5: Solve for x
    x = 11,310,770,024,975,353,012,813,824/3,873,714,722,009.70
  6. Step 6: Final answer
    x = 2,919,876,871,858.87

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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.