Finding the Fourth Proportional to 988,189,720.70, 1,482,295,211.46 and 298,102,956.62
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Solution
The fourth proportional to 988,189,720.70, 1,482,295,211.46 and 298,102,956.62 is: 447,157,641.75
Step by Step Solution
- Step 1: Write the proportion equation
988,189,720.70 : 1,482,295,211.46 = 298,102,956.62 : x - Step 2: Convert to fraction form
988,189,720.70/1,482,295,211.46 = 298,102,956.62/x - Step 3: Cross multiply
988,189,720.70x = 1,482,295,211.46 × 298,102,956.62 - Step 4: Simplify right side
988,189,720.70x = 441,876,585,112,482,688 - Step 5: Solve for x
x = 441,876,585,112,482,688/988,189,720.70 - Step 6: Final answer
x = 447,157,641.75
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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.