Finding the Fourth Proportional to 3,687,389,905.09, 5,531,084,857.62 and 3,687,389,905.09
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Solution
The fourth proportional to 3,687,389,905.09, 5,531,084,857.62 and 3,687,389,905.09 is: 5,531,084,857.62
Step by Step Solution
- Step 1: Write the proportion equation
3,687,389,905.09 : 5,531,084,857.62 = 3,687,389,905.09 : x - Step 2: Convert to fraction form
3,687,389,905.09/5,531,084,857.62 = 3,687,389,905.09/x - Step 3: Cross multiply
3,687,389,905.09x = 5,531,084,857.62 × 3,687,389,905.09 - Step 4: Simplify right side
3,687,389,905.09x = 20,395,266,468,184,150,016 - Step 5: Solve for x
x = 20,395,266,468,184,150,016/3,687,389,905.09 - Step 6: Final answer
x = 5,531,084,857.62
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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.