Home / 2,290,986,068.94-3,161,458,835.87-1,338,455,135.39

Finding the Fourth Proportional to 2,290,986,068.94, 3,161,458,835.87 and 1,338,455,135.39

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Solution

The fourth proportional to 2,290,986,068.94, 3,161,458,835.87 and 1,338,455,135.39 is: 1,847,008,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,986,068.94 : 3,161,458,835.87 = 1,338,455,135.39 : x
  2. Step 2: Convert to fraction form
    2,290,986,068.94/3,161,458,835.87 = 1,338,455,135.39/x
  3. Step 3: Cross multiply
    2,290,986,068.94x = 3,161,458,835.87 × 1,338,455,135.39
  4. Step 4: Simplify right side
    2,290,986,068.94x = 4,231,470,814,171,792,896
  5. Step 5: Solve for x
    x = 4,231,470,814,171,792,896/2,290,986,068.94
  6. Step 6: Final answer
    x = 1,847,008,531.19

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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.