Finding the Fourth Proportional to 384,286,548, 576,489,541.68 and 129,044,635.68
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Solution
The fourth proportional to 384,286,548, 576,489,541.68 and 129,044,635.68 is: 193,587,007.58
Step by Step Solution
- Step 1: Write the proportion equation
384,286,548 : 576,489,541.68 = 129,044,635.68 : x - Step 2: Convert to fraction form
384,286,548/576,489,541.68 = 129,044,635.68/x - Step 3: Cross multiply
384,286,548x = 576,489,541.68 × 129,044,635.68 - Step 4: Simplify right side
384,286,548x = 74,392,882,879,425,776 - Step 5: Solve for x
x = 74,392,882,879,425,776/384,286,548 - Step 6: Final answer
x = 193,587,007.58
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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.