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Finding the Fourth Proportional to 271,814,458.80, 407,863,405.80 and 118,476,015.60

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Solution

The fourth proportional to 271,814,458.80, 407,863,405.80 and 118,476,015.60 is: 177,775,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,814,458.80 : 407,863,405.80 = 118,476,015.60 : x
  2. Step 2: Convert to fraction form
    271,814,458.80/407,863,405.80 = 118,476,015.60/x
  3. Step 3: Cross multiply
    271,814,458.80x = 407,863,405.80 × 118,476,015.60
  4. Step 4: Simplify right side
    271,814,458.80x = 48,322,031,228,229,928
  5. Step 5: Solve for x
    x = 48,322,031,228,229,928/271,814,458.80
  6. Step 6: Final answer
    x = 177,775,793.98

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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.