Finding the Fourth Proportional to 384,368,088.80, 576,552,133.20 and 319,744,863.20
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Solution
The fourth proportional to 384,368,088.80, 576,552,133.20 and 319,744,863.20 is: 479,617,294.80
Step by Step Solution
- Step 1: Write the proportion equation
384,368,088.80 : 576,552,133.20 = 319,744,863.20 : x - Step 2: Convert to fraction form
384,368,088.80/576,552,133.20 = 319,744,863.20/x - Step 3: Cross multiply
384,368,088.80x = 576,552,133.20 × 319,744,863.20 - Step 4: Simplify right side
384,368,088.80x = 184,349,582,957,702,176 - Step 5: Solve for x
x = 184,349,582,957,702,176/384,368,088.80 - Step 6: Final answer
x = 479,617,294.80
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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.