Finding the Fourth Proportional to 841,231,099.99, 1,260,718,724.53 and 654,710,270.14
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Solution
The fourth proportional to 841,231,099.99, 1,260,718,724.53 and 654,710,270.14 is: 981,187,567.50
Step by Step Solution
- Step 1: Write the proportion equation
841,231,099.99 : 1,260,718,724.53 = 654,710,270.14 : x - Step 2: Convert to fraction form
841,231,099.99/1,260,718,724.53 = 654,710,270.14/x - Step 3: Cross multiply
841,231,099.99x = 1,260,718,724.53 × 654,710,270.14 - Step 4: Simplify right side
841,231,099.99x = 825,405,496,707,592,448 - Step 5: Solve for x
x = 825,405,496,707,592,448/841,231,099.99 - Step 6: Final answer
x = 981,187,567.50
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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.