Finding the Fourth Proportional to 721,193,334,197.28, 1,081,824,793,576.70 and 237,136,837,796.16
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Solution
The fourth proportional to 721,193,334,197.28, 1,081,824,793,576.70 and 237,136,837,796.16 is: 355,716,696,804.75
Step by Step Solution
- Step 1: Write the proportion equation
721,193,334,197.28 : 1,081,824,793,576.70 = 237,136,837,796.16 : x - Step 2: Convert to fraction form
721,193,334,197.28/1,081,824,793,576.70 = 237,136,837,796.16/x - Step 3: Cross multiply
721,193,334,197.28x = 1,081,824,793,576.70 × 237,136,837,796.16 - Step 4: Simplify right side
721,193,334,197.28x = 256,540,510,598,262,161,408,000 - Step 5: Solve for x
x = 256,540,510,598,262,161,408,000/721,193,334,197.28 - Step 6: Final answer
x = 355,716,696,804.75
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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.