Home / 320,883,885.80-481,504,671.90-173,328,473.96

Finding the Fourth Proportional to 320,883,885.80, 481,504,671.90 and 173,328,473.96

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Solution

The fourth proportional to 320,883,885.80, 481,504,671.90 and 173,328,473.96 is: 260,089,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,883,885.80 : 481,504,671.90 = 173,328,473.96 : x
  2. Step 2: Convert to fraction form
    320,883,885.80/481,504,671.90 = 173,328,473.96/x
  3. Step 3: Cross multiply
    320,883,885.80x = 481,504,671.90 × 173,328,473.96
  4. Step 4: Simplify right side
    320,883,885.80x = 83,458,469,985,037,488
  5. Step 5: Solve for x
    x = 83,458,469,985,037,488/320,883,885.80
  6. Step 6: Final answer
    x = 260,089,314.79

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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.