Finding the Fourth Proportional to 293,416,714.80, 440,125,072.20 and 271,245,783.60
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Solution
The fourth proportional to 293,416,714.80, 440,125,072.20 and 271,245,783.60 is: 406,868,675.40
Step by Step Solution
- Step 1: Write the proportion equation
293,416,714.80 : 440,125,072.20 = 271,245,783.60 : x - Step 2: Convert to fraction form
293,416,714.80/440,125,072.20 = 271,245,783.60/x - Step 3: Cross multiply
293,416,714.80x = 440,125,072.20 × 271,245,783.60 - Step 4: Simplify right side
293,416,714.80x = 119,382,070,090,895,584 - Step 5: Solve for x
x = 119,382,070,090,895,584/293,416,714.80 - Step 6: Final answer
x = 406,868,675.40
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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.