Finding the Fourth Proportional to 366,897,372.40, 506,303,193.36 and 199,634,321.80
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Solution
The fourth proportional to 366,897,372.40, 506,303,193.36 and 199,634,321.80 is: 275,487,104.12
Step by Step Solution
- Step 1: Write the proportion equation
366,897,372.40 : 506,303,193.36 = 199,634,321.80 : x - Step 2: Convert to fraction form
366,897,372.40/506,303,193.36 = 199,634,321.80/x - Step 3: Cross multiply
366,897,372.40x = 506,303,193.36 × 199,634,321.80 - Step 4: Simplify right side
366,897,372.40x = 101,075,494,631,597,872 - Step 5: Solve for x
x = 101,075,494,631,597,872/366,897,372.40 - Step 6: Final answer
x = 275,487,104.12
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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.