Finding the Fourth Proportional to 320,917,793.12, 480,304,087.12 and 182,706,296.80
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Solution
The fourth proportional to 320,917,793.12, 480,304,087.12 and 182,706,296.80 is: 273,448,786.50
Step by Step Solution
- Step 1: Write the proportion equation
320,917,793.12 : 480,304,087.12 = 182,706,296.80 : x - Step 2: Convert to fraction form
320,917,793.12/480,304,087.12 = 182,706,296.80/x - Step 3: Cross multiply
320,917,793.12x = 480,304,087.12 × 182,706,296.80 - Step 4: Simplify right side
320,917,793.12x = 87,754,581,095,599,776 - Step 5: Solve for x
x = 87,754,581,095,599,776/320,917,793.12 - Step 6: Final answer
x = 273,448,786.50
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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.