Finding the Fourth Proportional to 959,778,197.44, 1,439,721,104.26 and 269,631,643.62
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Solution
The fourth proportional to 959,778,197.44, 1,439,721,104.26 and 269,631,643.62 is: 404,462,581.80
Step by Step Solution
- Step 1: Write the proportion equation
959,778,197.44 : 1,439,721,104.26 = 269,631,643.62 : x - Step 2: Convert to fraction form
959,778,197.44/1,439,721,104.26 = 269,631,643.62/x - Step 3: Cross multiply
959,778,197.44x = 1,439,721,104.26 × 269,631,643.62 - Step 4: Simplify right side
959,778,197.44x = 388,194,367,696,025,216 - Step 5: Solve for x
x = 388,194,367,696,025,216/959,778,197.44 - Step 6: Final answer
x = 404,462,581.80
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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.