Home / 436,883,669.60-655,325,504.40-399,470,223.20

Finding the Fourth Proportional to 436,883,669.60, 655,325,504.40 and 399,470,223.20

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Solution

The fourth proportional to 436,883,669.60, 655,325,504.40 and 399,470,223.20 is: 599,205,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,883,669.60 : 655,325,504.40 = 399,470,223.20 : x
  2. Step 2: Convert to fraction form
    436,883,669.60/655,325,504.40 = 399,470,223.20/x
  3. Step 3: Cross multiply
    436,883,669.60x = 655,325,504.40 × 399,470,223.20
  4. Step 4: Simplify right side
    436,883,669.60x = 261,783,025,511,320,576
  5. Step 5: Solve for x
    x = 261,783,025,511,320,576/436,883,669.60
  6. Step 6: Final answer
    x = 599,205,334.80

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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.