Home / 1,906,039,120.94-2,629,518,069.00-1,190,332,145.33

Finding the Fourth Proportional to 1,906,039,120.94, 2,629,518,069.00 and 1,190,332,145.33

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Solution

The fourth proportional to 1,906,039,120.94, 2,629,518,069.00 and 1,190,332,145.33 is: 1,642,148,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,039,120.94 : 2,629,518,069.00 = 1,190,332,145.33 : x
  2. Step 2: Convert to fraction form
    1,906,039,120.94/2,629,518,069.00 = 1,190,332,145.33/x
  3. Step 3: Cross multiply
    1,906,039,120.94x = 2,629,518,069.00 × 1,190,332,145.33
  4. Step 4: Simplify right side
    1,906,039,120.94x = 3,129,999,884,272,742,400
  5. Step 5: Solve for x
    x = 3,129,999,884,272,742,400/1,906,039,120.94
  6. Step 6: Final answer
    x = 1,642,148,815.25

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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.