Finding the Fourth Proportional to 995,327,998.80, 1,492,991,998.20 and 753,463,294.80
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Solution
The fourth proportional to 995,327,998.80, 1,492,991,998.20 and 753,463,294.80 is: 1,130,194,942.20
Step by Step Solution
- Step 1: Write the proportion equation
995,327,998.80 : 1,492,991,998.20 = 753,463,294.80 : x - Step 2: Convert to fraction form
995,327,998.80/1,492,991,998.20 = 753,463,294.80/x - Step 3: Cross multiply
995,327,998.80x = 1,492,991,998.20 × 753,463,294.80 - Step 4: Simplify right side
995,327,998.80x = 1,124,914,670,073,807,616 - Step 5: Solve for x
x = 1,124,914,670,073,807,616/995,327,998.80 - Step 6: Final answer
x = 1,130,194,942.20
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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.