Finding the Fourth Proportional to 358,554,929.68, 494,799,083.68 and 219,315,463.12
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Solution
The fourth proportional to 358,554,929.68, 494,799,083.68 and 219,315,463.12 is: 302,651,229.16
Step by Step Solution
- Step 1: Write the proportion equation
358,554,929.68 : 494,799,083.68 = 219,315,463.12 : x - Step 2: Convert to fraction form
358,554,929.68/494,799,083.68 = 219,315,463.12/x - Step 3: Cross multiply
358,554,929.68x = 494,799,083.68 × 219,315,463.12 - Step 4: Simplify right side
358,554,929.68x = 108,517,090,188,630,832 - Step 5: Solve for x
x = 108,517,090,188,630,832/358,554,929.68 - Step 6: Final answer
x = 302,651,229.16
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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.