Finding the Fourth Proportional to 314,928,014.70, 472,392,022.05 and 193,827,701.10
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Solution
The fourth proportional to 314,928,014.70, 472,392,022.05 and 193,827,701.10 is: 290,741,551.65
Step by Step Solution
- Step 1: Write the proportion equation
314,928,014.70 : 472,392,022.05 = 193,827,701.10 : x - Step 2: Convert to fraction form
314,928,014.70/472,392,022.05 = 193,827,701.10/x - Step 3: Cross multiply
314,928,014.70x = 472,392,022.05 × 193,827,701.10 - Step 4: Simplify right side
314,928,014.70x = 91,562,659,651,932,016 - Step 5: Solve for x
x = 91,562,659,651,932,016/314,928,014.70 - Step 6: Final answer
x = 290,741,551.65
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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.