Finding the Fourth Proportional to 467,578,330.48, 645,257,674.92 and 263,936,557.99
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Solution
The fourth proportional to 467,578,330.48, 645,257,674.92 and 263,936,557.99 is: 364,232,212.30
Step by Step Solution
- Step 1: Write the proportion equation
467,578,330.48 : 645,257,674.92 = 263,936,557.99 : x - Step 2: Convert to fraction form
467,578,330.48/645,257,674.92 = 263,936,557.99/x - Step 3: Cross multiply
467,578,330.48x = 645,257,674.92 × 263,936,557.99 - Step 4: Simplify right side
467,578,330.48x = 170,307,089,735,015,136 - Step 5: Solve for x
x = 170,307,089,735,015,136/467,578,330.48 - Step 6: Final answer
x = 364,232,212.30
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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.