Finding the Fourth Proportional to 394,678,823,286.41, 590,998,644,277.21 and 272,393,720,592.62
Calculator
Solution
The fourth proportional to 394,678,823,286.41, 590,998,644,277.21 and 272,393,720,592.62 is: 407,886,894,562.47
Step by Step Solution
- Step 1: Write the proportion equation
394,678,823,286.41 : 590,998,644,277.21 = 272,393,720,592.62 : x - Step 2: Convert to fraction form
394,678,823,286.41/590,998,644,277.21 = 272,393,720,592.62/x - Step 3: Cross multiply
394,678,823,286.41x = 590,998,644,277.21 × 272,393,720,592.62 - Step 4: Simplify right side
394,678,823,286.41x = 160,984,319,579,863,539,253,248 - Step 5: Solve for x
x = 160,984,319,579,863,539,253,248/394,678,823,286.41 - Step 6: Final answer
x = 407,886,894,562.47
Related Problems
Find fourth proportional to 197,339,411,643.21, 295,499,322,138.61 and 136,196,860,296.31
Half scale
Find fourth proportional to 789,357,646,572.82, 1,181,997,288,554.42 and 544,787,441,185.24
Double scale
Find fourth proportional to 394,678,823,287.41, 590,998,644,278.71 and 272,393,720,593.62
Similar ratio
Find fourth proportional to 592,018,234,929.62, 886,497,966,415.82 and 408,590,580,888.93
1.5x scale
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.