Finding the Fourth Proportional to 988,189,721.70, 1,482,295,212.96 and 298,102,957.62
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Solution
The fourth proportional to 988,189,721.70, 1,482,295,212.96 and 298,102,957.62 is: 447,157,643.26
Step by Step Solution
- Step 1: Write the proportion equation
988,189,721.70 : 1,482,295,212.96 = 298,102,957.62 : x - Step 2: Convert to fraction form
988,189,721.70/1,482,295,212.96 = 298,102,957.62/x - Step 3: Cross multiply
988,189,721.70x = 1,482,295,212.96 × 298,102,957.62 - Step 4: Simplify right side
988,189,721.70x = 441,876,587,049,343,744 - Step 5: Solve for x
x = 441,876,587,049,343,744/988,189,721.70 - Step 6: Final answer
x = 447,157,643.26
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1.5x scale
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.