Finding the Fourth Proportional to 988,189,715.18, 1,482,295,203.21 and 298,102,951.10
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Solution
The fourth proportional to 988,189,715.18, 1,482,295,203.21 and 298,102,951.10 is: 447,157,633.48
Step by Step Solution
- Step 1: Write the proportion equation
988,189,715.18 : 1,482,295,203.21 = 298,102,951.10 : x - Step 2: Convert to fraction form
988,189,715.18/1,482,295,203.21 = 298,102,951.10/x - Step 3: Cross multiply
988,189,715.18x = 1,482,295,203.21 × 298,102,951.10 - Step 4: Simplify right side
988,189,715.18x = 441,876,574,470,863,744 - Step 5: Solve for x
x = 441,876,574,470,863,744/988,189,715.18 - Step 6: Final answer
x = 447,157,633.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.