Finding the Fourth Proportional to 696,095,743.87, 960,376,786.09 and 394,648,716.84
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Solution
The fourth proportional to 696,095,743.87, 960,376,786.09 and 394,648,716.84 is: 544,481,803.91
Step by Step Solution
- Step 1: Write the proportion equation
696,095,743.87 : 960,376,786.09 = 394,648,716.84 : x - Step 2: Convert to fraction form
696,095,743.87/960,376,786.09 = 394,648,716.84/x - Step 3: Cross multiply
696,095,743.87x = 960,376,786.09 × 394,648,716.84 - Step 4: Simplify right side
696,095,743.87x = 379,011,466,313,341,632 - Step 5: Solve for x
x = 379,011,466,313,341,632/696,095,743.87 - Step 6: Final answer
x = 544,481,803.91
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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.