Finding the Fourth Proportional to 365,349,688.99, 503,694,830.55 and 290,245,217.29
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Solution
The fourth proportional to 365,349,688.99, 503,694,830.55 and 290,245,217.29 is: 400,150,923.75
Step by Step Solution
- Step 1: Write the proportion equation
365,349,688.99 : 503,694,830.55 = 290,245,217.29 : x - Step 2: Convert to fraction form
365,349,688.99/503,694,830.55 = 290,245,217.29/x - Step 3: Cross multiply
365,349,688.99x = 503,694,830.55 × 290,245,217.29 - Step 4: Simplify right side
365,349,688.99x = 146,195,015,540,834,496 - Step 5: Solve for x
x = 146,195,015,540,834,496/365,349,688.99 - Step 6: Final answer
x = 400,150,923.75
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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.