Finding the Fourth Proportional to 696,088,388.92, 960,582,807.44 and 382,822,716.70
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Solution
The fourth proportional to 696,088,388.92, 960,582,807.44 and 382,822,716.70 is: 528,284,806.66
Step by Step Solution
- Step 1: Write the proportion equation
696,088,388.92 : 960,582,807.44 = 382,822,716.70 : x - Step 2: Convert to fraction form
696,088,388.92/960,582,807.44 = 382,822,716.70/x - Step 3: Cross multiply
696,088,388.92x = 960,582,807.44 × 382,822,716.70 - Step 4: Simplify right side
696,088,388.92x = 367,732,919,959,493,760 - Step 5: Solve for x
x = 367,732,919,959,493,760/696,088,388.92 - Step 6: Final answer
x = 528,284,806.66
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1.5x scale
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.