Finding the Fourth Proportional to 1,241,813,961.36, 1,862,720,943.66 and 504,711,170.10
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Solution
The fourth proportional to 1,241,813,961.36, 1,862,720,943.66 and 504,711,170.10 is: 757,066,755.81
Step by Step Solution
- Step 1: Write the proportion equation
1,241,813,961.36 : 1,862,720,943.66 = 504,711,170.10 : x - Step 2: Convert to fraction form
1,241,813,961.36/1,862,720,943.66 = 504,711,170.10/x - Step 3: Cross multiply
1,241,813,961.36x = 1,862,720,943.66 × 504,711,170.10 - Step 4: Simplify right side
1,241,813,961.36x = 940,136,067,044,414,848 - Step 5: Solve for x
x = 940,136,067,044,414,848/1,241,813,961.36 - Step 6: Final answer
x = 757,066,755.81
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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.