Finding the Fourth Proportional to 711,390,082.08, 981,718,313.12 and 385,807,234.08
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Solution
The fourth proportional to 711,390,082.08, 981,718,313.12 and 385,807,234.08 is: 532,413,982.95
Step by Step Solution
- Step 1: Write the proportion equation
711,390,082.08 : 981,718,313.12 = 385,807,234.08 : x - Step 2: Convert to fraction form
711,390,082.08/981,718,313.12 = 385,807,234.08/x - Step 3: Cross multiply
711,390,082.08x = 981,718,313.12 × 385,807,234.08 - Step 4: Simplify right side
711,390,082.08x = 378,754,027,030,510,592 - Step 5: Solve for x
x = 378,754,027,030,510,592/711,390,082.08 - Step 6: Final answer
x = 532,413,982.95
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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.