Finding the Fourth Proportional to 7,051,008,091.30, 10,576,512,136.95 and 6,649,691,841.70
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Solution
The fourth proportional to 7,051,008,091.30, 10,576,512,136.95 and 6,649,691,841.70 is: 9,974,537,762.55
Step by Step Solution
- Step 1: Write the proportion equation
7,051,008,091.30 : 10,576,512,136.95 = 6,649,691,841.70 : x - Step 2: Convert to fraction form
7,051,008,091.30/10,576,512,136.95 = 6,649,691,841.70/x - Step 3: Cross multiply
7,051,008,091.30x = 10,576,512,136.95 × 6,649,691,841.70 - Step 4: Simplify right side
7,051,008,091.30x = 70,330,546,470,717,448,192 - Step 5: Solve for x
x = 70,330,546,470,717,448,192/7,051,008,091.30 - Step 6: Final answer
x = 9,974,537,762.55
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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.