Finding the Fourth Proportional to 624,185,399.81, 934,975,207.19 and 374,398,487.42
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Solution
The fourth proportional to 624,185,399.81, 934,975,207.19 and 374,398,487.42 is: 560,816,230.97
Step by Step Solution
- Step 1: Write the proportion equation
624,185,399.81 : 934,975,207.19 = 374,398,487.42 : x - Step 2: Convert to fraction form
624,185,399.81/934,975,207.19 = 374,398,487.42/x - Step 3: Cross multiply
624,185,399.81x = 934,975,207.19 × 374,398,487.42 - Step 4: Simplify right side
624,185,399.81x = 350,053,303,347,137,152 - Step 5: Solve for x
x = 350,053,303,347,137,152/624,185,399.81 - Step 6: Final answer
x = 560,816,230.97
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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.