Home / 2,620,579,966,355.60-3,930,869,949,533.40-1,278,348,768,198.80

Finding the Fourth Proportional to 2,620,579,966,355.60, 3,930,869,949,533.40 and 1,278,348,768,198.80

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Solution

The fourth proportional to 2,620,579,966,355.60, 3,930,869,949,533.40 and 1,278,348,768,198.80 is: 1,917,523,152,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,579,966,355.60 : 3,930,869,949,533.40 = 1,278,348,768,198.80 : x
  2. Step 2: Convert to fraction form
    2,620,579,966,355.60/3,930,869,949,533.40 = 1,278,348,768,198.80/x
  3. Step 3: Cross multiply
    2,620,579,966,355.60x = 3,930,869,949,533.40 × 1,278,348,768,198.80
  4. Step 4: Simplify right side
    2,620,579,966,355.60x = 5,025,022,757,935,701,504,819,200
  5. Step 5: Solve for x
    x = 5,025,022,757,935,701,504,819,200/2,620,579,966,355.60
  6. Step 6: Final answer
    x = 1,917,523,152,298.20

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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.