Finding the Fourth Proportional to 455,336,921.37, 628,366,956.88 and 246,493,064.02
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Solution
The fourth proportional to 455,336,921.37, 628,366,956.88 and 246,493,064.02 is: 340,161,513.95
Step by Step Solution
- Step 1: Write the proportion equation
455,336,921.37 : 628,366,956.88 = 246,493,064.02 : x - Step 2: Convert to fraction form
455,336,921.37/628,366,956.88 = 246,493,064.02/x - Step 3: Cross multiply
455,336,921.37x = 628,366,956.88 × 246,493,064.02 - Step 4: Simplify right side
455,336,921.37x = 154,888,096,530,800,128 - Step 5: Solve for x
x = 154,888,096,530,800,128/455,336,921.37 - Step 6: Final answer
x = 340,161,513.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.