Home / 345,203,323.36-517,801,441.48-199,544,202.61

Finding the Fourth Proportional to 345,203,323.36, 517,801,441.48 and 199,544,202.61

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Solution

The fourth proportional to 345,203,323.36, 517,801,441.48 and 199,544,202.61 is: 299,314,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,203,323.36 : 517,801,441.48 = 199,544,202.61 : x
  2. Step 2: Convert to fraction form
    345,203,323.36/517,801,441.48 = 199,544,202.61/x
  3. Step 3: Cross multiply
    345,203,323.36x = 517,801,441.48 × 199,544,202.61
  4. Step 4: Simplify right side
    345,203,323.36x = 103,324,275,750,435,184
  5. Step 5: Solve for x
    x = 103,324,275,750,435,184/345,203,323.36
  6. Step 6: Final answer
    x = 299,314,255.57

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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.