Finding the Fourth Proportional to 3,762,310,480.53, 5,192,138,062.13 and 2,068,903,959.99
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Solution
The fourth proportional to 3,762,310,480.53, 5,192,138,062.13 and 2,068,903,959.99 is: 2,855,169,729.65
Step by Step Solution
- Step 1: Write the proportion equation
3,762,310,480.53 : 5,192,138,062.13 = 2,068,903,959.99 : x - Step 2: Convert to fraction form
3,762,310,480.53/5,192,138,062.13 = 2,068,903,959.99/x - Step 3: Cross multiply
3,762,310,480.53x = 5,192,138,062.13 × 2,068,903,959.99 - Step 4: Simplify right side
3,762,310,480.53x = 10,742,034,997,560,733,696 - Step 5: Solve for x
x = 10,742,034,997,560,733,696/3,762,310,480.53 - Step 6: Final answer
x = 2,855,169,729.65
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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.