Finding the Fourth Proportional to 379,957,506.08, 524,342,367.78 and 206,117,250.08
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Solution
The fourth proportional to 379,957,506.08, 524,342,367.78 and 206,117,250.08 is: 284,442,352.68
Step by Step Solution
- Step 1: Write the proportion equation
379,957,506.08 : 524,342,367.78 = 206,117,250.08 : x - Step 2: Convert to fraction form
379,957,506.08/524,342,367.78 = 206,117,250.08/x - Step 3: Cross multiply
379,957,506.08x = 524,342,367.78 × 206,117,250.08 - Step 4: Simplify right side
379,957,506.08x = 108,076,006,947,249,600 - Step 5: Solve for x
x = 108,076,006,947,249,600/379,957,506.08 - Step 6: Final answer
x = 284,442,352.68
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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.