Finding the Fourth Proportional to 394,586,629.20, 591,879,943.80 and 394,586,629.20
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Solution
The fourth proportional to 394,586,629.20, 591,879,943.80 and 394,586,629.20 is: 591,879,943.80
Step by Step Solution
- Step 1: Write the proportion equation
394,586,629.20 : 591,879,943.80 = 394,586,629.20 : x - Step 2: Convert to fraction form
394,586,629.20/591,879,943.80 = 394,586,629.20/x - Step 3: Cross multiply
394,586,629.20x = 591,879,943.80 × 394,586,629.20 - Step 4: Simplify right side
394,586,629.20x = 233,547,911,915,127,424 - Step 5: Solve for x
x = 233,547,911,915,127,424/394,586,629.20 - Step 6: Final answer
x = 591,879,943.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.