Home / 789,609,195.41-1,089,694,747.73-437,185,193.81

Finding the Fourth Proportional to 789,609,195.41, 1,089,694,747.73 and 437,185,193.81

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Solution

The fourth proportional to 789,609,195.41, 1,089,694,747.73 and 437,185,193.81 is: 603,334,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,609,195.41 : 1,089,694,747.73 = 437,185,193.81 : x
  2. Step 2: Convert to fraction form
    789,609,195.41/1,089,694,747.73 = 437,185,193.81/x
  3. Step 3: Cross multiply
    789,609,195.41x = 1,089,694,747.73 × 437,185,193.81
  4. Step 4: Simplify right side
    789,609,195.41x = 476,398,409,477,893,120
  5. Step 5: Solve for x
    x = 476,398,409,477,893,120/789,609,195.41
  6. Step 6: Final answer
    x = 603,334,424.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.