Finding the Fourth Proportional to 354,296,233.80, 531,444,350.70 and 328,468,201.20
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Solution
The fourth proportional to 354,296,233.80, 531,444,350.70 and 328,468,201.20 is: 492,702,301.80
Step by Step Solution
- Step 1: Write the proportion equation
354,296,233.80 : 531,444,350.70 = 328,468,201.20 : x - Step 2: Convert to fraction form
354,296,233.80/531,444,350.70 = 328,468,201.20/x - Step 3: Cross multiply
354,296,233.80x = 531,444,350.70 × 328,468,201.20 - Step 4: Simplify right side
354,296,233.80x = 174,562,569,912,330,944 - Step 5: Solve for x
x = 174,562,569,912,330,944/354,296,233.80 - Step 6: Final answer
x = 492,702,301.80
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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.