Home / 419,905,827.60-629,858,741.40-147,276,594.60

Finding the Fourth Proportional to 419,905,827.60, 629,858,741.40 and 147,276,594.60

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Solution

The fourth proportional to 419,905,827.60, 629,858,741.40 and 147,276,594.60 is: 220,914,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,827.60 : 629,858,741.40 = 147,276,594.60 : x
  2. Step 2: Convert to fraction form
    419,905,827.60/629,858,741.40 = 147,276,594.60/x
  3. Step 3: Cross multiply
    419,905,827.60x = 629,858,741.40 × 147,276,594.60
  4. Step 4: Simplify right side
    419,905,827.60x = 92,763,450,512,434,032
  5. Step 5: Solve for x
    x = 92,763,450,512,434,032/419,905,827.60
  6. Step 6: Final answer
    x = 220,914,891.90

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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.