Home / 3,873,714,721,895.20-5,345,694,547,315.40-2,115,865,379,870.80

Finding the Fourth Proportional to 3,873,714,721,895.20, 5,345,694,547,315.40 and 2,115,865,379,870.80

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Solution

The fourth proportional to 3,873,714,721,895.20, 5,345,694,547,315.40 and 2,115,865,379,870.80 is: 2,919,876,871,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,714,721,895.20 : 5,345,694,547,315.40 = 2,115,865,379,870.80 : x
  2. Step 2: Convert to fraction form
    3,873,714,721,895.20/5,345,694,547,315.40 = 2,115,865,379,870.80/x
  3. Step 3: Cross multiply
    3,873,714,721,895.20x = 5,345,694,547,315.40 × 2,115,865,379,870.80
  4. Step 4: Simplify right side
    3,873,714,721,895.20x = 11,310,770,024,028,763,695,611,904
  5. Step 5: Solve for x
    x = 11,310,770,024,028,763,695,611,904/3,873,714,721,895.20
  6. Step 6: Final answer
    x = 2,919,876,871,700.82

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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.