Home / 416,541,011.75-624,370,993.64-154,056,876.72

Finding the Fourth Proportional to 416,541,011.75, 624,370,993.64 and 154,056,876.72

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Solution

The fourth proportional to 416,541,011.75, 624,370,993.64 and 154,056,876.72 is: 230,922,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,541,011.75 : 624,370,993.64 = 154,056,876.72 : x
  2. Step 2: Convert to fraction form
    416,541,011.75/624,370,993.64 = 154,056,876.72/x
  3. Step 3: Cross multiply
    416,541,011.75x = 624,370,993.64 × 154,056,876.72
  4. Step 4: Simplify right side
    416,541,011.75x = 96,188,645,193,971,104
  5. Step 5: Solve for x
    x = 96,188,645,193,971,104/416,541,011.75
  6. Step 6: Final answer
    x = 230,922,388.15

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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.