Finding the Fourth Proportional to 326,945,202.30, 489,862,840.05 and 197,280,353.70
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Solution
The fourth proportional to 326,945,202.30, 489,862,840.05 and 197,280,353.70 is: 295,585,662.89
Step by Step Solution
- Step 1: Write the proportion equation
326,945,202.30 : 489,862,840.05 = 197,280,353.70 : x - Step 2: Convert to fraction form
326,945,202.30/489,862,840.05 = 197,280,353.70/x - Step 3: Cross multiply
326,945,202.30x = 489,862,840.05 × 197,280,353.70 - Step 4: Simplify right side
326,945,202.30x = 96,640,314,349,550,528 - Step 5: Solve for x
x = 96,640,314,349,550,528/326,945,202.30 - Step 6: Final answer
x = 295,585,662.89
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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.