Finding the Fourth Proportional to 3,449,102,925.20, 5,173,654,387.80 and 995,519,872.40
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Solution
The fourth proportional to 3,449,102,925.20, 5,173,654,387.80 and 995,519,872.40 is: 1,493,279,808.60
Step by Step Solution
- Step 1: Write the proportion equation
3,449,102,925.20 : 5,173,654,387.80 = 995,519,872.40 : x - Step 2: Convert to fraction form
3,449,102,925.20/5,173,654,387.80 = 995,519,872.40/x - Step 3: Cross multiply
3,449,102,925.20x = 5,173,654,387.80 × 995,519,872.40 - Step 4: Simplify right side
3,449,102,925.20x = 5,150,475,755,984,356,352 - Step 5: Solve for x
x = 5,150,475,755,984,356,352/3,449,102,925.20 - Step 6: Final answer
x = 1,493,279,808.60
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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.