Finding the Fourth Proportional to 324,130,129.43, 486,162,473.36 and 219,755,641.19
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Solution
The fourth proportional to 324,130,129.43, 486,162,473.36 and 219,755,641.19 is: 329,611,277.55
Step by Step Solution
- Step 1: Write the proportion equation
324,130,129.43 : 486,162,473.36 = 219,755,641.19 : x - Step 2: Convert to fraction form
324,130,129.43/486,162,473.36 = 219,755,641.19/x - Step 3: Cross multiply
324,130,129.43x = 486,162,473.36 × 219,755,641.19 - Step 4: Simplify right side
324,130,129.43x = 106,836,946,052,213,504 - Step 5: Solve for x
x = 106,836,946,052,213,504/324,130,129.43 - Step 6: Final answer
x = 329,611,277.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.