Home / 419,907,223.40-629,860,835.10-404,601,722.60

Finding the Fourth Proportional to 419,907,223.40, 629,860,835.10 and 404,601,722.60

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Solution

The fourth proportional to 419,907,223.40, 629,860,835.10 and 404,601,722.60 is: 606,902,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,907,223.40 : 629,860,835.10 = 404,601,722.60 : x
  2. Step 2: Convert to fraction form
    419,907,223.40/629,860,835.10 = 404,601,722.60/x
  3. Step 3: Cross multiply
    419,907,223.40x = 629,860,835.10 × 404,601,722.60
  4. Step 4: Simplify right side
    419,907,223.40x = 254,842,778,879,734,560
  5. Step 5: Solve for x
    x = 254,842,778,879,734,560/419,907,223.40
  6. Step 6: Final answer
    x = 606,902,583.90

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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.