Finding the Fourth Proportional to 197,302,513.70, 276,677,015.50 and 197,302,513.70
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Solution
The fourth proportional to 197,302,513.70, 276,677,015.50 and 197,302,513.70 is: 276,677,015.50
Step by Step Solution
- Step 1: Write the proportion equation
197,302,513.70 : 276,677,015.50 = 197,302,513.70 : x - Step 2: Convert to fraction form
197,302,513.70/276,677,015.50 = 197,302,513.70/x - Step 3: Cross multiply
197,302,513.70x = 276,677,015.50 × 197,302,513.70 - Step 4: Simplify right side
197,302,513.70x = 54,589,070,641,163,856 - Step 5: Solve for x
x = 54,589,070,641,163,856/197,302,513.70 - Step 6: Final answer
x = 276,677,015.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.