Finding the Fourth Proportional to 326,198,813.34, 450,249,219.28 and 213,185,306.19
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Solution
The fourth proportional to 326,198,813.34, 450,249,219.28 and 213,185,306.19 is: 294,257,715.68
Step by Step Solution
- Step 1: Write the proportion equation
326,198,813.34 : 450,249,219.28 = 213,185,306.19 : x - Step 2: Convert to fraction form
326,198,813.34/450,249,219.28 = 213,185,306.19/x - Step 3: Cross multiply
326,198,813.34x = 450,249,219.28 × 213,185,306.19 - Step 4: Simplify right side
326,198,813.34x = 95,986,517,673,439,760 - Step 5: Solve for x
x = 95,986,517,673,439,760/326,198,813.34 - Step 6: Final answer
x = 294,257,715.68
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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.