Finding the Fourth Proportional to 314,928,706.30, 472,393,059.46 and 286,207,272.70
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Solution
The fourth proportional to 314,928,706.30, 472,393,059.46 and 286,207,272.70 is: 429,310,909.06
Step by Step Solution
- Step 1: Write the proportion equation
314,928,706.30 : 472,393,059.46 = 286,207,272.70 : x - Step 2: Convert to fraction form
314,928,706.30/472,393,059.46 = 286,207,272.70/x - Step 3: Cross multiply
314,928,706.30x = 472,393,059.46 × 286,207,272.70 - Step 4: Simplify right side
314,928,706.30x = 135,202,329,190,455,520 - Step 5: Solve for x
x = 135,202,329,190,455,520/314,928,706.30 - Step 6: Final answer
x = 429,310,909.06
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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.