Home / 1,212,794,024.55-1,819,191,036.83-1,085,815,054.95

Finding the Fourth Proportional to 1,212,794,024.55, 1,819,191,036.83 and 1,085,815,054.95

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Solution

The fourth proportional to 1,212,794,024.55, 1,819,191,036.83 and 1,085,815,054.95 is: 1,628,722,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,794,024.55 : 1,819,191,036.83 = 1,085,815,054.95 : x
  2. Step 2: Convert to fraction form
    1,212,794,024.55/1,819,191,036.83 = 1,085,815,054.95/x
  3. Step 3: Cross multiply
    1,212,794,024.55x = 1,819,191,036.83 × 1,085,815,054.95
  4. Step 4: Simplify right side
    1,212,794,024.55x = 1,975,305,015,614,684,928
  5. Step 5: Solve for x
    x = 1,975,305,015,614,684,928/1,212,794,024.55
  6. Step 6: Final answer
    x = 1,628,722,582.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.