Finding the Fourth Proportional to 326,468,517.12, 489,767,342.40 and 93,301,320.96
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Solution
The fourth proportional to 326,468,517.12, 489,767,342.40 and 93,301,320.96 is: 139,970,433.94
Step by Step Solution
- Step 1: Write the proportion equation
326,468,517.12 : 489,767,342.40 = 93,301,320.96 : x - Step 2: Convert to fraction form
326,468,517.12/489,767,342.40 = 93,301,320.96/x - Step 3: Cross multiply
326,468,517.12x = 489,767,342.40 × 93,301,320.96 - Step 4: Simplify right side
326,468,517.12x = 45,695,940,008,988,608 - Step 5: Solve for x
x = 45,695,940,008,988,608/326,468,517.12 - Step 6: Final answer
x = 139,970,433.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.