Finding the Fourth Proportional to 2,251,678,175.43, 3,379,043,157.35 and 923,946,252.21
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Solution
The fourth proportional to 2,251,678,175.43, 3,379,043,157.35 and 923,946,252.21 is: 1,386,545,508.75
Step by Step Solution
- Step 1: Write the proportion equation
2,251,678,175.43 : 3,379,043,157.35 = 923,946,252.21 : x - Step 2: Convert to fraction form
2,251,678,175.43/3,379,043,157.35 = 923,946,252.21/x - Step 3: Cross multiply
2,251,678,175.43x = 3,379,043,157.35 × 923,946,252.21 - Step 4: Simplify right side
2,251,678,175.43x = 3,122,054,261,287,340,032 - Step 5: Solve for x
x = 3,122,054,261,287,340,032/2,251,678,175.43 - Step 6: Final answer
x = 1,386,545,508.75
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1.5x scale
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.