Finding the Fourth Proportional to 892,408,972.22, 1,337,715,485.24 and 368,160,435.66
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Solution
The fourth proportional to 892,408,972.22, 1,337,715,485.24 and 368,160,435.66 is: 551,870,197.60
Step by Step Solution
- Step 1: Write the proportion equation
892,408,972.22 : 1,337,715,485.24 = 368,160,435.66 : x - Step 2: Convert to fraction form
892,408,972.22/1,337,715,485.24 = 368,160,435.66/x - Step 3: Cross multiply
892,408,972.22x = 1,337,715,485.24 × 368,160,435.66 - Step 4: Simplify right side
892,408,972.22x = 492,493,915,835,086,720 - Step 5: Solve for x
x = 492,493,915,835,086,720/892,408,972.22 - Step 6: Final answer
x = 551,870,197.60
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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.