Finding the Fourth Proportional to 491,833,387.20, 737,750,080.80 and 128,327,743.20
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Solution
The fourth proportional to 491,833,387.20, 737,750,080.80 and 128,327,743.20 is: 192,491,614.80
Step by Step Solution
- Step 1: Write the proportion equation
491,833,387.20 : 737,750,080.80 = 128,327,743.20 : x - Step 2: Convert to fraction form
491,833,387.20/737,750,080.80 = 128,327,743.20/x - Step 3: Cross multiply
491,833,387.20x = 737,750,080.80 × 128,327,743.20 - Step 4: Simplify right side
491,833,387.20x = 94,673,802,914,681,648 - Step 5: Solve for x
x = 94,673,802,914,681,648/491,833,387.20 - Step 6: Final answer
x = 192,491,614.80
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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.