Finding the Fourth Proportional to 7,062,640,939.74, 10,590,282,890.79 and 3,330,930,364.99
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Solution
The fourth proportional to 7,062,640,939.74, 10,590,282,890.79 and 3,330,930,364.99 is: 4,994,660,659.62
Step by Step Solution
- Step 1: Write the proportion equation
7,062,640,939.74 : 10,590,282,890.79 = 3,330,930,364.99 : x - Step 2: Convert to fraction form
7,062,640,939.74/10,590,282,890.79 = 3,330,930,364.99/x - Step 3: Cross multiply
7,062,640,939.74x = 10,590,282,890.79 × 3,330,930,364.99 - Step 4: Simplify right side
7,062,640,939.74x = 35,275,494,854,766,489,600 - Step 5: Solve for x
x = 35,275,494,854,766,489,600/7,062,640,939.74 - Step 6: Final answer
x = 4,994,660,659.62
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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.