Finding the Fourth Proportional to 754,460,020.84, 1,131,279,274.82 and 263,041,120.84
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Solution
The fourth proportional to 754,460,020.84, 1,131,279,274.82 and 263,041,120.84 is: 394,418,471.77
Step by Step Solution
- Step 1: Write the proportion equation
754,460,020.84 : 1,131,279,274.82 = 263,041,120.84 : x - Step 2: Convert to fraction form
754,460,020.84/1,131,279,274.82 = 263,041,120.84/x - Step 3: Cross multiply
754,460,020.84x = 1,131,279,274.82 × 263,041,120.84 - Step 4: Simplify right side
754,460,020.84x = 297,572,968,431,715,200 - Step 5: Solve for x
x = 297,572,968,431,715,200/754,460,020.84 - Step 6: Final answer
x = 394,418,471.77
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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.