Finding the Fourth Proportional to 531,350,359.74, 733,268,269.35 and 293,206,136.40
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Solution
The fourth proportional to 531,350,359.74, 733,268,269.35 and 293,206,136.40 is: 404,627,101.99
Step by Step Solution
- Step 1: Write the proportion equation
531,350,359.74 : 733,268,269.35 = 293,206,136.40 : x - Step 2: Convert to fraction form
531,350,359.74/733,268,269.35 = 293,206,136.40/x - Step 3: Cross multiply
531,350,359.74x = 733,268,269.35 × 293,206,136.40 - Step 4: Simplify right side
531,350,359.74x = 214,998,756,200,828,032 - Step 5: Solve for x
x = 214,998,756,200,828,032/531,350,359.74 - Step 6: Final answer
x = 404,627,101.99
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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.