Home / 1,906,039,121.13-2,629,518,069.27-1,190,332,145.52

Finding the Fourth Proportional to 1,906,039,121.13, 2,629,518,069.27 and 1,190,332,145.52

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Solution

The fourth proportional to 1,906,039,121.13, 2,629,518,069.27 and 1,190,332,145.52 is: 1,642,148,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,039,121.13 : 2,629,518,069.27 = 1,190,332,145.52 : x
  2. Step 2: Convert to fraction form
    1,906,039,121.13/2,629,518,069.27 = 1,190,332,145.52/x
  3. Step 3: Cross multiply
    1,906,039,121.13x = 2,629,518,069.27 × 1,190,332,145.52
  4. Step 4: Simplify right side
    1,906,039,121.13x = 3,129,999,885,077,767,168
  5. Step 5: Solve for x
    x = 3,129,999,885,077,767,168/1,906,039,121.13
  6. Step 6: Final answer
    x = 1,642,148,815.51

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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.