Finding the Fourth Proportional to 379,957,503.08, 524,342,363.64 and 206,117,247.08
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Solution
The fourth proportional to 379,957,503.08, 524,342,363.64 and 206,117,247.08 is: 284,442,348.54
Step by Step Solution
- Step 1: Write the proportion equation
379,957,503.08 : 524,342,363.64 = 206,117,247.08 : x - Step 2: Convert to fraction form
379,957,503.08/524,342,363.64 = 206,117,247.08/x - Step 3: Cross multiply
379,957,503.08x = 524,342,363.64 × 206,117,247.08 - Step 4: Simplify right side
379,957,503.08x = 108,076,004,520,897,088 - Step 5: Solve for x
x = 108,076,004,520,897,088/379,957,503.08 - Step 6: Final answer
x = 284,442,348.54
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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.