Finding the Fourth Proportional to 482,845,330.80, 724,267,996.20 and 176,147,449.20
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Solution
The fourth proportional to 482,845,330.80, 724,267,996.20 and 176,147,449.20 is: 264,221,173.80
Step by Step Solution
- Step 1: Write the proportion equation
482,845,330.80 : 724,267,996.20 = 176,147,449.20 : x - Step 2: Convert to fraction form
482,845,330.80/724,267,996.20 = 176,147,449.20/x - Step 3: Cross multiply
482,845,330.80x = 724,267,996.20 × 176,147,449.20 - Step 4: Simplify right side
482,845,330.80x = 127,577,960,067,825,296 - Step 5: Solve for x
x = 127,577,960,067,825,296/482,845,330.80 - Step 6: Final answer
x = 264,221,173.80
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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.