Finding the Fourth Proportional to 536,868,245.44, 740,866,566.40 and 310,816,761.87
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Solution
The fourth proportional to 536,868,245.44, 740,866,566.40 and 310,816,761.87 is: 428,920,408.50
Step by Step Solution
- Step 1: Write the proportion equation
536,868,245.44 : 740,866,566.40 = 310,816,761.87 : x - Step 2: Convert to fraction form
536,868,245.44/740,866,566.40 = 310,816,761.87/x - Step 3: Cross multiply
536,868,245.44x = 740,866,566.40 × 310,816,761.87 - Step 4: Simplify right side
536,868,245.44x = 230,273,747,146,193,344 - Step 5: Solve for x
x = 230,273,747,146,193,344/536,868,245.44 - Step 6: Final answer
x = 428,920,408.50
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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.