Home / 805,400,109.87-1,111,415,415.24-448,185,546.33

Finding the Fourth Proportional to 805,400,109.87, 1,111,415,415.24 and 448,185,546.33

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Solution

The fourth proportional to 805,400,109.87, 1,111,415,415.24 and 448,185,546.33 is: 618,475,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,400,109.87 : 1,111,415,415.24 = 448,185,546.33 : x
  2. Step 2: Convert to fraction form
    805,400,109.87/1,111,415,415.24 = 448,185,546.33/x
  3. Step 3: Cross multiply
    805,400,109.87x = 1,111,415,415.24 × 448,185,546.33
  4. Step 4: Simplify right side
    805,400,109.87x = 498,120,325,078,923,200
  5. Step 5: Solve for x
    x = 498,120,325,078,923,200/805,400,109.87
  6. Step 6: Final answer
    x = 618,475,611.03

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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.