Finding the Fourth Proportional to 495,625,230.27, 683,964,180.63 and 272,629,756.53
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Solution
The fourth proportional to 495,625,230.27, 683,964,180.63 and 272,629,756.53 is: 376,229,813.68
Step by Step Solution
- Step 1: Write the proportion equation
495,625,230.27 : 683,964,180.63 = 272,629,756.53 : x - Step 2: Convert to fraction form
495,625,230.27/683,964,180.63 = 272,629,756.53/x - Step 3: Cross multiply
495,625,230.27x = 683,964,180.63 × 272,629,756.53 - Step 4: Simplify right side
495,625,230.27x = 186,468,988,040,397,824 - Step 5: Solve for x
x = 186,468,988,040,397,824/495,625,230.27 - Step 6: Final answer
x = 376,229,813.68
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1.5x scale
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.