Home / 2,158,778,414.51-2,979,268,371.77-1,193,141,542.24

Finding the Fourth Proportional to 2,158,778,414.51, 2,979,268,371.77 and 1,193,141,542.24

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Solution

The fourth proportional to 2,158,778,414.51, 2,979,268,371.77 and 1,193,141,542.24 is: 1,646,620,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,778,414.51 : 2,979,268,371.77 = 1,193,141,542.24 : x
  2. Step 2: Convert to fraction form
    2,158,778,414.51/2,979,268,371.77 = 1,193,141,542.24/x
  3. Step 3: Cross multiply
    2,158,778,414.51x = 2,979,268,371.77 × 1,193,141,542.24
  4. Step 4: Simplify right side
    2,158,778,414.51x = 3,554,688,859,828,237,824
  5. Step 5: Solve for x
    x = 3,554,688,859,828,237,824/2,158,778,414.51
  6. Step 6: Final answer
    x = 1,646,620,531.29

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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.