Home / 818,901,087.62-1,228,837,014.15-301,694,439.56

Finding the Fourth Proportional to 818,901,087.62, 1,228,837,014.15 and 301,694,439.56

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Solution

The fourth proportional to 818,901,087.62, 1,228,837,014.15 and 301,694,439.56 is: 452,720,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,901,087.62 : 1,228,837,014.15 = 301,694,439.56 : x
  2. Step 2: Convert to fraction form
    818,901,087.62/1,228,837,014.15 = 301,694,439.56/x
  3. Step 3: Cross multiply
    818,901,087.62x = 1,228,837,014.15 × 301,694,439.56
  4. Step 4: Simplify right side
    818,901,087.62x = 370,733,294,294,568,064
  5. Step 5: Solve for x
    x = 370,733,294,294,568,064/818,901,087.62
  6. Step 6: Final answer
    x = 452,720,481.02

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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.