Finding the Fourth Proportional to 435,557,624.80, 653,336,437.20 and 336,922,175.20
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Solution
The fourth proportional to 435,557,624.80, 653,336,437.20 and 336,922,175.20 is: 505,383,262.80
Step by Step Solution
- Step 1: Write the proportion equation
435,557,624.80 : 653,336,437.20 = 336,922,175.20 : x - Step 2: Convert to fraction form
435,557,624.80/653,336,437.20 = 336,922,175.20/x - Step 3: Cross multiply
435,557,624.80x = 653,336,437.20 × 336,922,175.20 - Step 4: Simplify right side
435,557,624.80x = 220,123,533,558,842,208 - Step 5: Solve for x
x = 220,123,533,558,842,208/435,557,624.80 - Step 6: Final answer
x = 505,383,262.80
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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.