Finding the Fourth Proportional to 363,046,378.26, 501,007,199.49 and 198,034,681.62
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Solution
The fourth proportional to 363,046,378.26, 501,007,199.49 and 198,034,681.62 is: 273,289,604.80
Step by Step Solution
- Step 1: Write the proportion equation
363,046,378.26 : 501,007,199.49 = 198,034,681.62 : x - Step 2: Convert to fraction form
363,046,378.26/501,007,199.49 = 198,034,681.62/x - Step 3: Cross multiply
363,046,378.26x = 501,007,199.49 × 198,034,681.62 - Step 4: Simplify right side
363,046,378.26x = 99,216,801,240,329,984 - Step 5: Solve for x
x = 99,216,801,240,329,984/363,046,378.26 - Step 6: Final answer
x = 273,289,604.80
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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.