Finding the Fourth Proportional to 416,233,452.49, 624,145,874.71 and 205,901,121.57
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Solution
The fourth proportional to 416,233,452.49, 624,145,874.71 and 205,901,121.57 is: 308,750,617.85
Step by Step Solution
- Step 1: Write the proportion equation
416,233,452.49 : 624,145,874.71 = 205,901,121.57 : x - Step 2: Convert to fraction form
416,233,452.49/624,145,874.71 = 205,901,121.57/x - Step 3: Cross multiply
416,233,452.49x = 624,145,874.71 × 205,901,121.57 - Step 4: Simplify right side
416,233,452.49x = 128,512,335,627,903,488 - Step 5: Solve for x
x = 128,512,335,627,903,488/416,233,452.49 - Step 6: Final answer
x = 308,750,617.85
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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.