Finding the Fourth Proportional to 2,131,389,046.62, 3,197,302,821.54 and 804,534,720.21
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Solution
The fourth proportional to 2,131,389,046.62, 3,197,302,821.54 and 804,534,720.21 is: 1,206,884,841.15
Step by Step Solution
- Step 1: Write the proportion equation
2,131,389,046.62 : 3,197,302,821.54 = 804,534,720.21 : x - Step 2: Convert to fraction form
2,131,389,046.62/3,197,302,821.54 = 804,534,720.21/x - Step 3: Cross multiply
2,131,389,046.62x = 3,197,302,821.54 × 804,534,720.21 - Step 4: Simplify right side
2,131,389,046.62x = 2,572,341,130,954,327,552 - Step 5: Solve for x
x = 2,572,341,130,954,327,552/2,131,389,046.62 - Step 6: Final answer
x = 1,206,884,841.15
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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.