Finding the Fourth Proportional to 475,367,074.70, 713,050,612.05 and 217,086,748.70
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Solution
The fourth proportional to 475,367,074.70, 713,050,612.05 and 217,086,748.70 is: 325,630,123.05
Step by Step Solution
- Step 1: Write the proportion equation
475,367,074.70 : 713,050,612.05 = 217,086,748.70 : x - Step 2: Convert to fraction form
475,367,074.70/713,050,612.05 = 217,086,748.70/x - Step 3: Cross multiply
475,367,074.70x = 713,050,612.05 × 217,086,748.70 - Step 4: Simplify right side
475,367,074.70x = 154,793,839,028,479,520 - Step 5: Solve for x
x = 154,793,839,028,479,520/475,367,074.70 - Step 6: Final answer
x = 325,630,123.05
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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.