Finding the Fourth Proportional to 494,269,568.79, 682,046,921.58 and 293,291,810.19
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Solution
The fourth proportional to 494,269,568.79, 682,046,921.58 and 293,291,810.19 is: 404,715,946.31
Step by Step Solution
- Step 1: Write the proportion equation
494,269,568.79 : 682,046,921.58 = 293,291,810.19 : x - Step 2: Convert to fraction form
494,269,568.79/682,046,921.58 = 293,291,810.19/x - Step 3: Cross multiply
494,269,568.79x = 682,046,921.58 × 293,291,810.19 - Step 4: Simplify right side
494,269,568.79x = 200,038,776,264,715,200 - Step 5: Solve for x
x = 200,038,776,264,715,200/494,269,568.79 - Step 6: Final answer
x = 404,715,946.31
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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.