Finding the Fourth Proportional to 467,578,329.98, 645,257,674.23 and 263,936,557.49
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Solution
The fourth proportional to 467,578,329.98, 645,257,674.23 and 263,936,557.49 is: 364,232,211.62
Step by Step Solution
- Step 1: Write the proportion equation
467,578,329.98 : 645,257,674.23 = 263,936,557.49 : x - Step 2: Convert to fraction form
467,578,329.98/645,257,674.23 = 263,936,557.49/x - Step 3: Cross multiply
467,578,329.98x = 645,257,674.23 × 263,936,557.49 - Step 4: Simplify right side
467,578,329.98x = 170,307,089,230,270,112 - Step 5: Solve for x
x = 170,307,089,230,270,112/467,578,329.98 - Step 6: Final answer
x = 364,232,211.62
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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.