Finding the Fourth Proportional to 995,227,390.68, 1,373,686,969.50 and 577,674,198.60
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Solution
The fourth proportional to 995,227,390.68, 1,373,686,969.50 and 577,674,198.60 is: 797,348,954.28
Step by Step Solution
- Step 1: Write the proportion equation
995,227,390.68 : 1,373,686,969.50 = 577,674,198.60 : x - Step 2: Convert to fraction form
995,227,390.68/1,373,686,969.50 = 577,674,198.60/x - Step 3: Cross multiply
995,227,390.68x = 1,373,686,969.50 × 577,674,198.60 - Step 4: Simplify right side
995,227,390.68x = 793,543,519,233,175,168 - Step 5: Solve for x
x = 793,543,519,233,175,168/995,227,390.68 - Step 6: Final answer
x = 797,348,954.28
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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.