Finding the Fourth Proportional to 554,848,797.68, 765,685,238.66 and 300,523,827.09
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Solution
The fourth proportional to 554,848,797.68, 765,685,238.66 and 300,523,827.09 is: 414,719,576.27
Step by Step Solution
- Step 1: Write the proportion equation
554,848,797.68 : 765,685,238.66 = 300,523,827.09 : x - Step 2: Convert to fraction form
554,848,797.68/765,685,238.66 = 300,523,827.09/x - Step 3: Cross multiply
554,848,797.68x = 765,685,238.66 × 300,523,827.09 - Step 4: Simplify right side
554,848,797.68x = 230,106,658,266,920,576 - Step 5: Solve for x
x = 230,106,658,266,920,576/554,848,797.68 - Step 6: Final answer
x = 414,719,576.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.