Home / 2,620,579,966,360.60-3,930,869,949,540.80-1,278,348,768,203.80

Finding the Fourth Proportional to 2,620,579,966,360.60, 3,930,869,949,540.80 and 1,278,348,768,203.80

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Solution

The fourth proportional to 2,620,579,966,360.60, 3,930,869,949,540.80 and 1,278,348,768,203.80 is: 1,917,523,152,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,579,966,360.60 : 3,930,869,949,540.80 = 1,278,348,768,203.80 : x
  2. Step 2: Convert to fraction form
    2,620,579,966,360.60/3,930,869,949,540.80 = 1,278,348,768,203.80/x
  3. Step 3: Cross multiply
    2,620,579,966,360.60x = 3,930,869,949,540.80 × 1,278,348,768,203.80
  4. Step 4: Simplify right side
    2,620,579,966,360.60x = 5,025,022,757,964,814,940,635,136
  5. Step 5: Solve for x
    x = 5,025,022,757,964,814,940,635,136/2,620,579,966,360.60
  6. Step 6: Final answer
    x = 1,917,523,152,305.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.