Home / 419,904,843.60-629,857,265.40-147,303,166.80

Finding the Fourth Proportional to 419,904,843.60, 629,857,265.40 and 147,303,166.80

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Solution

The fourth proportional to 419,904,843.60, 629,857,265.40 and 147,303,166.80 is: 220,954,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,843.60 : 629,857,265.40 = 147,303,166.80 : x
  2. Step 2: Convert to fraction form
    419,904,843.60/629,857,265.40 = 147,303,166.80/x
  3. Step 3: Cross multiply
    419,904,843.60x = 629,857,265.40 × 147,303,166.80
  4. Step 4: Simplify right side
    419,904,843.60x = 92,779,969,825,408,080
  5. Step 5: Solve for x
    x = 92,779,969,825,408,080/419,904,843.60
  6. Step 6: Final answer
    x = 220,954,750.20

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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.