Finding the Fourth Proportional to 557,371,548.95, 768,458,715.49 and 456,528,486.18
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Solution
The fourth proportional to 557,371,548.95, 768,458,715.49 and 456,528,486.18 is: 629,424,474.10
Step by Step Solution
- Step 1: Write the proportion equation
557,371,548.95 : 768,458,715.49 = 456,528,486.18 : x - Step 2: Convert to fraction form
557,371,548.95/768,458,715.49 = 456,528,486.18/x - Step 3: Cross multiply
557,371,548.95x = 768,458,715.49 × 456,528,486.18 - Step 4: Simplify right side
557,371,548.95x = 350,823,294,074,477,056 - Step 5: Solve for x
x = 350,823,294,074,477,056/557,371,548.95 - Step 6: Final answer
x = 629,424,474.10
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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.