Finding the Fourth Proportional to 285,240,039.16, 394,000,499.29 and 235,879,799.08
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Solution
The fourth proportional to 285,240,039.16, 394,000,499.29 and 235,879,799.08 is: 325,819,470.80
Step by Step Solution
- Step 1: Write the proportion equation
285,240,039.16 : 394,000,499.29 = 235,879,799.08 : x - Step 2: Convert to fraction form
285,240,039.16/394,000,499.29 = 235,879,799.08/x - Step 3: Cross multiply
285,240,039.16x = 394,000,499.29 × 235,879,799.08 - Step 4: Simplify right side
285,240,039.16x = 92,936,758,607,931,440 - Step 5: Solve for x
x = 92,936,758,607,931,440/285,240,039.16 - Step 6: Final answer
x = 325,819,470.80
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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.