Finding the Fourth Proportional to 3,531,677,913.36, 5,297,340,778.26 and 1,320,725,083.80
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Solution
The fourth proportional to 3,531,677,913.36, 5,297,340,778.26 and 1,320,725,083.80 is: 1,981,021,773.48
Step by Step Solution
- Step 1: Write the proportion equation
3,531,677,913.36 : 5,297,340,778.26 = 1,320,725,083.80 : x - Step 2: Convert to fraction form
3,531,677,913.36/5,297,340,778.26 = 1,320,725,083.80/x - Step 3: Cross multiply
3,531,677,913.36x = 5,297,340,778.26 × 1,320,725,083.80 - Step 4: Simplify right side
3,531,677,913.36x = 6,996,330,843,284,595,712 - Step 5: Solve for x
x = 6,996,330,843,284,595,712/3,531,677,913.36 - Step 6: Final answer
x = 1,981,021,773.48
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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.