Finding the Fourth Proportional to 326,717,829.84, 489,780,120.60 and 163,005,658.32
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Solution
The fourth proportional to 326,717,829.84, 489,780,120.60 and 163,005,658.32 is: 244,360,496.12
Step by Step Solution
- Step 1: Write the proportion equation
326,717,829.84 : 489,780,120.60 = 163,005,658.32 : x - Step 2: Convert to fraction form
326,717,829.84/489,780,120.60 = 163,005,658.32/x - Step 3: Cross multiply
326,717,829.84x = 489,780,120.60 × 163,005,658.32 - Step 4: Simplify right side
326,717,829.84x = 79,836,930,990,452,000 - Step 5: Solve for x
x = 79,836,930,990,452,000/326,717,829.84 - Step 6: Final answer
x = 244,360,496.12
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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.