Finding the Fourth Proportional to 4,849,910,514.40, 7,274,865,771.60 and 2,092,652,888.80
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Solution
The fourth proportional to 4,849,910,514.40, 7,274,865,771.60 and 2,092,652,888.80 is: 3,138,979,333.20
Step by Step Solution
- Step 1: Write the proportion equation
4,849,910,514.40 : 7,274,865,771.60 = 2,092,652,888.80 : x - Step 2: Convert to fraction form
4,849,910,514.40/7,274,865,771.60 = 2,092,652,888.80/x - Step 3: Cross multiply
4,849,910,514.40x = 7,274,865,771.60 × 2,092,652,888.80 - Step 4: Simplify right side
4,849,910,514.40x = 15,223,768,872,570,982,400 - Step 5: Solve for x
x = 15,223,768,872,570,982,400/4,849,910,514.40 - Step 6: Final answer
x = 3,138,979,333.20
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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.