Home / 1,906,039,122.88-2,629,518,071.68-1,190,332,147.27

Finding the Fourth Proportional to 1,906,039,122.88, 2,629,518,071.68 and 1,190,332,147.27

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Solution

The fourth proportional to 1,906,039,122.88, 2,629,518,071.68 and 1,190,332,147.27 is: 1,642,148,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,039,122.88 : 2,629,518,071.68 = 1,190,332,147.27 : x
  2. Step 2: Convert to fraction form
    1,906,039,122.88/2,629,518,071.68 = 1,190,332,147.27/x
  3. Step 3: Cross multiply
    1,906,039,122.88x = 2,629,518,071.68 × 1,190,332,147.27
  4. Step 4: Simplify right side
    1,906,039,122.88x = 3,129,999,892,548,124,160
  5. Step 5: Solve for x
    x = 3,129,999,892,548,124,160/1,906,039,122.88
  6. Step 6: Final answer
    x = 1,642,148,817.92

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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.