Finding the Fourth Proportional to 945,621,416.40, 1,418,432,124.60 and 892,052,163.60
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Solution
The fourth proportional to 945,621,416.40, 1,418,432,124.60 and 892,052,163.60 is: 1,338,078,245.40
Step by Step Solution
- Step 1: Write the proportion equation
945,621,416.40 : 1,418,432,124.60 = 892,052,163.60 : x - Step 2: Convert to fraction form
945,621,416.40/1,418,432,124.60 = 892,052,163.60/x - Step 3: Cross multiply
945,621,416.40x = 1,418,432,124.60 × 892,052,163.60 - Step 4: Simplify right side
945,621,416.40x = 1,265,315,445,669,174,784 - Step 5: Solve for x
x = 1,265,315,445,669,174,784/945,621,416.40 - Step 6: Final answer
x = 1,338,078,245.40
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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.