Finding the Fourth Proportional to 312,062,668.92, 430,645,408.15 and 179,903,035.31
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Solution
The fourth proportional to 312,062,668.92, 430,645,408.15 and 179,903,035.31 is: 248,265,569.02
Step by Step Solution
- Step 1: Write the proportion equation
312,062,668.92 : 430,645,408.15 = 179,903,035.31 : x - Step 2: Convert to fraction form
312,062,668.92/430,645,408.15 = 179,903,035.31/x - Step 3: Cross multiply
312,062,668.92x = 430,645,408.15 × 179,903,035.31 - Step 4: Simplify right side
312,062,668.92x = 77,474,416,068,498,816 - Step 5: Solve for x
x = 77,474,416,068,498,816/312,062,668.92 - Step 6: Final answer
x = 248,265,569.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.