Finding the Fourth Proportional to 1,232,331,218.66, 1,848,582,274.08 and 495,401,415.46
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Solution
The fourth proportional to 1,232,331,218.66, 1,848,582,274.08 and 495,401,415.46 is: 743,136,472.81
Step by Step Solution
- Step 1: Write the proportion equation
1,232,331,218.66 : 1,848,582,274.08 = 495,401,415.46 : x - Step 2: Convert to fraction form
1,232,331,218.66/1,848,582,274.08 = 495,401,415.46/x - Step 3: Cross multiply
1,232,331,218.66x = 1,848,582,274.08 × 495,401,415.46 - Step 4: Simplify right side
1,232,331,218.66x = 915,790,275,170,721,792 - Step 5: Solve for x
x = 915,790,275,170,721,792/1,232,331,218.66 - Step 6: Final answer
x = 743,136,472.81
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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.