Finding the Fourth Proportional to 293,796,005.80, 440,694,008.70 and 102,319,781.80
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Solution
The fourth proportional to 293,796,005.80, 440,694,008.70 and 102,319,781.80 is: 153,479,672.70
Step by Step Solution
- Step 1: Write the proportion equation
293,796,005.80 : 440,694,008.70 = 102,319,781.80 : x - Step 2: Convert to fraction form
293,796,005.80/440,694,008.70 = 102,319,781.80/x - Step 3: Cross multiply
293,796,005.80x = 440,694,008.70 × 102,319,781.80 - Step 4: Simplify right side
293,796,005.80x = 45,091,714,810,751,296 - Step 5: Solve for x
x = 45,091,714,810,751,296/293,796,005.80 - Step 6: Final answer
x = 153,479,672.70
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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.