Finding the Fourth Proportional to 329,026,891.68, 490,598,750.14 and 319,987,080.27
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Solution
The fourth proportional to 329,026,891.68, 490,598,750.14 and 319,987,080.27 is: 477,119,851.33
Step by Step Solution
- Step 1: Write the proportion equation
329,026,891.68 : 490,598,750.14 = 319,987,080.27 : x - Step 2: Convert to fraction form
329,026,891.68/490,598,750.14 = 319,987,080.27/x - Step 3: Cross multiply
329,026,891.68x = 490,598,750.14 × 319,987,080.27 - Step 4: Simplify right side
329,026,891.68x = 156,985,261,640,609,888 - Step 5: Solve for x
x = 156,985,261,640,609,888/329,026,891.68 - Step 6: Final answer
x = 477,119,851.33
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.