Finding the Fourth Proportional to 2,504,915,753.96, 3,457,385,782.08 and 1,433,839,971.62
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Solution
The fourth proportional to 2,504,915,753.96, 3,457,385,782.08 and 1,433,839,971.62 is: 1,979,043,775.75
Step by Step Solution
- Step 1: Write the proportion equation
2,504,915,753.96 : 3,457,385,782.08 = 1,433,839,971.62 : x - Step 2: Convert to fraction form
2,504,915,753.96/3,457,385,782.08 = 1,433,839,971.62/x - Step 3: Cross multiply
2,504,915,753.96x = 3,457,385,782.08 × 1,433,839,971.62 - Step 4: Simplify right side
2,504,915,753.96x = 4,957,337,931,656,978,432 - Step 5: Solve for x
x = 4,957,337,931,656,978,432/2,504,915,753.96 - Step 6: Final answer
x = 1,979,043,775.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.