Finding the Fourth Proportional to 324,971,190.24, 448,342,549.92 and 213,522,056.88
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Solution
The fourth proportional to 324,971,190.24, 448,342,549.92 and 213,522,056.88 is: 294,583,108.66
Step by Step Solution
- Step 1: Write the proportion equation
324,971,190.24 : 448,342,549.92 = 213,522,056.88 : x - Step 2: Convert to fraction form
324,971,190.24/448,342,549.92 = 213,522,056.88/x - Step 3: Cross multiply
324,971,190.24x = 448,342,549.92 × 213,522,056.88 - Step 4: Simplify right side
324,971,190.24x = 95,731,023,445,742,480 - Step 5: Solve for x
x = 95,731,023,445,742,480/324,971,190.24 - Step 6: Final answer
x = 294,583,108.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.