Finding the Fourth Proportional to 315,202,960.20, 472,166,711.10 and 218,268,121.80
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Solution
The fourth proportional to 315,202,960.20, 472,166,711.10 and 218,268,121.80 is: 326,960,575.32
Step by Step Solution
- Step 1: Write the proportion equation
315,202,960.20 : 472,166,711.10 = 218,268,121.80 : x - Step 2: Convert to fraction form
315,202,960.20/472,166,711.10 = 218,268,121.80/x - Step 3: Cross multiply
315,202,960.20x = 472,166,711.10 × 218,268,121.80 - Step 4: Simplify right side
315,202,960.20x = 103,058,941,208,280,224 - Step 5: Solve for x
x = 103,058,941,208,280,224/315,202,960.20 - Step 6: Final answer
x = 326,960,575.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.