Finding the Fourth Proportional to 1,273,948,198.20, 1,757,142,907.92 and 850,348,287
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Solution
The fourth proportional to 1,273,948,198.20, 1,757,142,907.92 and 850,348,287 is: 1,172,876,152.95
Step by Step Solution
- Step 1: Write the proportion equation
1,273,948,198.20 : 1,757,142,907.92 = 850,348,287 : x - Step 2: Convert to fraction form
1,273,948,198.20/1,757,142,907.92 = 850,348,287/x - Step 3: Cross multiply
1,273,948,198.20x = 1,757,142,907.92 × 850,348,287 - Step 4: Simplify right side
1,273,948,198.20x = 1,494,183,461,763,970,816 - Step 5: Solve for x
x = 1,494,183,461,763,970,816/1,273,948,198.20 - Step 6: Final answer
x = 1,172,876,152.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.