Finding the Fourth Proportional to 1,241,813,898.49, 1,862,720,849.56 and 504,711,107.23
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Solution
The fourth proportional to 1,241,813,898.49, 1,862,720,849.56 and 504,711,107.23 is: 757,066,661.59
Step by Step Solution
- Step 1: Write the proportion equation
1,241,813,898.49 : 1,862,720,849.56 = 504,711,107.23 : x - Step 2: Convert to fraction form
1,241,813,898.49/1,862,720,849.56 = 504,711,107.23/x - Step 3: Cross multiply
1,241,813,898.49x = 1,862,720,849.56 × 504,711,107.23 - Step 4: Simplify right side
1,241,813,898.49x = 940,135,902,441,833,856 - Step 5: Solve for x
x = 940,135,902,441,833,856/1,241,813,898.49 - Step 6: Final answer
x = 757,066,661.59
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Double scale
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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.