Home / 1,219,203,328.28-1,682,546,843.25-683,364,897

Finding the Fourth Proportional to 1,219,203,328.28, 1,682,546,843.25 and 683,364,897

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Solution

The fourth proportional to 1,219,203,328.28, 1,682,546,843.25 and 683,364,897 is: 943,069,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,203,328.28 : 1,682,546,843.25 = 683,364,897 : x
  2. Step 2: Convert to fraction form
    1,219,203,328.28/1,682,546,843.25 = 683,364,897/x
  3. Step 3: Cross multiply
    1,219,203,328.28x = 1,682,546,843.25 × 683,364,897
  4. Step 4: Simplify right side
    1,219,203,328.28x = 1,149,793,450,235,211,392
  5. Step 5: Solve for x
    x = 1,149,793,450,235,211,392/1,219,203,328.28
  6. Step 6: Final answer
    x = 943,069,481.17

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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.