Finding the Fourth Proportional to 565,519,243.20, 848,278,864.80 and 293,421,451.20
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Solution
The fourth proportional to 565,519,243.20, 848,278,864.80 and 293,421,451.20 is: 440,132,176.80
Step by Step Solution
- Step 1: Write the proportion equation
565,519,243.20 : 848,278,864.80 = 293,421,451.20 : x - Step 2: Convert to fraction form
565,519,243.20/848,278,864.80 = 293,421,451.20/x - Step 3: Cross multiply
565,519,243.20x = 848,278,864.80 × 293,421,451.20 - Step 4: Simplify right side
565,519,243.20x = 248,903,215,531,904,576 - Step 5: Solve for x
x = 248,903,215,531,904,576/565,519,243.20 - Step 6: Final answer
x = 440,132,176.80
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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.