Home / 2,620,579,966,352.10-3,930,869,949,528.20-1,278,348,768,195.30

Finding the Fourth Proportional to 2,620,579,966,352.10, 3,930,869,949,528.20 and 1,278,348,768,195.30

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Solution

The fourth proportional to 2,620,579,966,352.10, 3,930,869,949,528.20 and 1,278,348,768,195.30 is: 1,917,523,152,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,579,966,352.10 : 3,930,869,949,528.20 = 1,278,348,768,195.30 : x
  2. Step 2: Convert to fraction form
    2,620,579,966,352.10/3,930,869,949,528.20 = 1,278,348,768,195.30/x
  3. Step 3: Cross multiply
    2,620,579,966,352.10x = 3,930,869,949,528.20 × 1,278,348,768,195.30
  4. Step 4: Simplify right side
    2,620,579,966,352.10x = 5,025,022,757,915,296,115,195,904
  5. Step 5: Solve for x
    x = 5,025,022,757,915,296,115,195,904/2,620,579,966,352.10
  6. Step 6: Final answer
    x = 1,917,523,152,292.97

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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.