Finding the Fourth Proportional to 303,350,786.02, 418,623,942.99 and 171,219,495.93
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Solution
The fourth proportional to 303,350,786.02, 418,623,942.99 and 171,219,495.93 is: 236,282,824.39
Step by Step Solution
- Step 1: Write the proportion equation
303,350,786.02 : 418,623,942.99 = 171,219,495.93 : x - Step 2: Convert to fraction form
303,350,786.02/418,623,942.99 = 171,219,495.93/x - Step 3: Cross multiply
303,350,786.02x = 418,623,942.99 × 171,219,495.93 - Step 4: Simplify right side
303,350,786.02x = 71,676,580,502,976,864 - Step 5: Solve for x
x = 71,676,580,502,976,864/303,350,786.02 - Step 6: Final answer
x = 236,282,824.39
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1.5x scale
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.