Finding the Fourth Proportional to 326,264,506.74, 489,383,487.60 and 80,614,955.32
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Solution
The fourth proportional to 326,264,506.74, 489,383,487.60 and 80,614,955.32 is: 120,919,153.55
Step by Step Solution
- Step 1: Write the proportion equation
326,264,506.74 : 489,383,487.60 = 80,614,955.32 : x - Step 2: Convert to fraction form
326,264,506.74/489,383,487.60 = 80,614,955.32/x - Step 3: Cross multiply
326,264,506.74x = 489,383,487.60 × 80,614,955.32 - Step 4: Simplify right side
326,264,506.74x = 39,451,627,987,219,776 - Step 5: Solve for x
x = 39,451,627,987,219,776/326,264,506.74 - Step 6: Final answer
x = 120,919,153.55
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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.