Finding the Fourth Proportional to 548,476,518.84, 822,230,497.26 and 419,659,206.18
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Solution
The fourth proportional to 548,476,518.84, 822,230,497.26 and 419,659,206.18 is: 629,118,268.38
Step by Step Solution
- Step 1: Write the proportion equation
548,476,518.84 : 822,230,497.26 = 419,659,206.18 : x - Step 2: Convert to fraction form
548,476,518.84/822,230,497.26 = 419,659,206.18/x - Step 3: Cross multiply
548,476,518.84x = 822,230,497.26 × 419,659,206.18 - Step 4: Simplify right side
548,476,518.84x = 345,056,597,777,118,272 - Step 5: Solve for x
x = 345,056,597,777,118,272/548,476,518.84 - Step 6: Final answer
x = 629,118,268.38
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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.