Finding the Fourth Proportional to 1,330,392,939.24, 1,835,954,135.84 and 735,717,662.76
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Solution
The fourth proportional to 1,330,392,939.24, 1,835,954,135.84 and 735,717,662.76 is: 1,015,296,944.17
Step by Step Solution
- Step 1: Write the proportion equation
1,330,392,939.24 : 1,835,954,135.84 = 735,717,662.76 : x - Step 2: Convert to fraction form
1,330,392,939.24/1,835,954,135.84 = 735,717,662.76/x - Step 3: Cross multiply
1,330,392,939.24x = 1,835,954,135.84 × 735,717,662.76 - Step 4: Simplify right side
1,330,392,939.24x = 1,350,743,885,754,760,192 - Step 5: Solve for x
x = 1,350,743,885,754,760,192/1,330,392,939.24 - Step 6: Final answer
x = 1,015,296,944.17
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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.