Finding the Fourth Proportional to 365,349,687.99, 503,694,829.17 and 290,245,216.29
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Solution
The fourth proportional to 365,349,687.99, 503,694,829.17 and 290,245,216.29 is: 400,150,922.37
Step by Step Solution
- Step 1: Write the proportion equation
365,349,687.99 : 503,694,829.17 = 290,245,216.29 : x - Step 2: Convert to fraction form
365,349,687.99/503,694,829.17 = 290,245,216.29/x - Step 3: Cross multiply
365,349,687.99x = 503,694,829.17 × 290,245,216.29 - Step 4: Simplify right side
365,349,687.99x = 146,195,014,636,601,280 - Step 5: Solve for x
x = 146,195,014,636,601,280/365,349,687.99 - Step 6: Final answer
x = 400,150,922.37
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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.