Finding the Fourth Proportional to 648,567,211.14, 972,649,610.37 and 233,990,138.07
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Solution
The fourth proportional to 648,567,211.14, 972,649,610.37 and 233,990,138.07 is: 350,912,615.86
Step by Step Solution
- Step 1: Write the proportion equation
648,567,211.14 : 972,649,610.37 = 233,990,138.07 : x - Step 2: Convert to fraction form
648,567,211.14/972,649,610.37 = 233,990,138.07/x - Step 3: Cross multiply
648,567,211.14x = 972,649,610.37 × 233,990,138.07 - Step 4: Simplify right side
648,567,211.14x = 227,590,416,624,208,000 - Step 5: Solve for x
x = 227,590,416,624,208,000/648,567,211.14 - Step 6: Final answer
x = 350,912,615.86
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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.