Finding the Fourth Proportional to 352,453,260.06, 486,279,429.84 and 211,272,968.28
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Solution
The fourth proportional to 352,453,260.06, 486,279,429.84 and 211,272,968.28 is: 291,493,114.69
Step by Step Solution
- Step 1: Write the proportion equation
352,453,260.06 : 486,279,429.84 = 211,272,968.28 : x - Step 2: Convert to fraction form
352,453,260.06/486,279,429.84 = 211,272,968.28/x - Step 3: Cross multiply
352,453,260.06x = 486,279,429.84 × 211,272,968.28 - Step 4: Simplify right side
352,453,260.06x = 102,737,698,555,802,800 - Step 5: Solve for x
x = 102,737,698,555,802,800/352,453,260.06 - Step 6: Final answer
x = 291,493,114.69
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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.