Finding the Fourth Proportional to 863,136,265.20, 1,294,704,397.80 and 633,553,753.20
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Solution
The fourth proportional to 863,136,265.20, 1,294,704,397.80 and 633,553,753.20 is: 950,330,629.80
Step by Step Solution
- Step 1: Write the proportion equation
863,136,265.20 : 1,294,704,397.80 = 633,553,753.20 : x - Step 2: Convert to fraction form
863,136,265.20/1,294,704,397.80 = 633,553,753.20/x - Step 3: Cross multiply
863,136,265.20x = 1,294,704,397.80 × 633,553,753.20 - Step 4: Simplify right side
863,136,265.20x = 820,264,830,510,735,872 - Step 5: Solve for x
x = 820,264,830,510,735,872/863,136,265.20 - Step 6: Final answer
x = 950,330,629.80
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1.5x scale
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.