Finding the Fourth Proportional to 936,067,428.99, 1,403,769,951.21 and 271,943,279.53
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Solution
The fourth proportional to 936,067,428.99, 1,403,769,951.21 and 271,943,279.53 is: 407,818,702.39
Step by Step Solution
- Step 1: Write the proportion equation
936,067,428.99 : 1,403,769,951.21 = 271,943,279.53 : x - Step 2: Convert to fraction form
936,067,428.99/1,403,769,951.21 = 271,943,279.53/x - Step 3: Cross multiply
936,067,428.99x = 1,403,769,951.21 × 271,943,279.53 - Step 4: Simplify right side
936,067,428.99x = 381,745,804,239,470,208 - Step 5: Solve for x
x = 381,745,804,239,470,208/936,067,428.99 - Step 6: Final answer
x = 407,818,702.39
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1.5x scale
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.