Finding the Fourth Proportional to 358,554,929.18, 494,799,082.99 and 219,315,462.62
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Solution
The fourth proportional to 358,554,929.18, 494,799,082.99 and 219,315,462.62 is: 302,651,228.46
Step by Step Solution
- Step 1: Write the proportion equation
358,554,929.18 : 494,799,082.99 = 219,315,462.62 : x - Step 2: Convert to fraction form
358,554,929.18/494,799,082.99 = 219,315,462.62/x - Step 3: Cross multiply
358,554,929.18x = 494,799,082.99 × 219,315,462.62 - Step 4: Simplify right side
358,554,929.18x = 108,517,089,786,333,056 - Step 5: Solve for x
x = 108,517,089,786,333,056/358,554,929.18 - Step 6: Final answer
x = 302,651,228.46
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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.