Finding the Fourth Proportional to 303,693,769.84, 419,095,211.76 and 164,461,301.68
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Solution
The fourth proportional to 303,693,769.84, 419,095,211.76 and 164,461,301.68 is: 226,955,410.02
Step by Step Solution
- Step 1: Write the proportion equation
303,693,769.84 : 419,095,211.76 = 164,461,301.68 : x - Step 2: Convert to fraction form
303,693,769.84/419,095,211.76 = 164,461,301.68/x - Step 3: Cross multiply
303,693,769.84x = 419,095,211.76 × 164,461,301.68 - Step 4: Simplify right side
303,693,769.84x = 68,924,944,053,904,848 - Step 5: Solve for x
x = 68,924,944,053,904,848/303,693,769.84 - Step 6: Final answer
x = 226,955,410.02
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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.