Finding the Fourth Proportional to 397,600,510.18, 596,201,190.96 and 231,657,728.26
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Solution
The fourth proportional to 397,600,510.18, 596,201,190.96 and 231,657,728.26 is: 347,370,312.53
Step by Step Solution
- Step 1: Write the proportion equation
397,600,510.18 : 596,201,190.96 = 231,657,728.26 : x - Step 2: Convert to fraction form
397,600,510.18/596,201,190.96 = 231,657,728.26/x - Step 3: Cross multiply
397,600,510.18x = 596,201,190.96 × 231,657,728.26 - Step 4: Simplify right side
397,600,510.18x = 138,114,613,483,700,048 - Step 5: Solve for x
x = 138,114,613,483,700,048/397,600,510.18 - Step 6: Final answer
x = 347,370,312.53
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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.