Finding the Fourth Proportional to 841,232,025.20, 1,260,720,114.25 and 654,711,201.99
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Solution
The fourth proportional to 841,232,025.20, 1,260,720,114.25 and 654,711,201.99 is: 981,188,966.47
Step by Step Solution
- Step 1: Write the proportion equation
841,232,025.20 : 1,260,720,114.25 = 654,711,201.99 : x - Step 2: Convert to fraction form
841,232,025.20/1,260,720,114.25 = 654,711,201.99/x - Step 3: Cross multiply
841,232,025.20x = 1,260,720,114.25 × 654,711,201.99 - Step 4: Simplify right side
841,232,025.20x = 825,407,581,370,313,984 - Step 5: Solve for x
x = 825,407,581,370,313,984/841,232,025.20 - Step 6: Final answer
x = 981,188,966.47
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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.