Finding the Fourth Proportional to 347,048,366.58, 478,927,674.09 and 188,278,489.08
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Solution
The fourth proportional to 347,048,366.58, 478,927,674.09 and 188,278,489.08 is: 259,824,818.50
Step by Step Solution
- Step 1: Write the proportion equation
347,048,366.58 : 478,927,674.09 = 188,278,489.08 : x - Step 2: Convert to fraction form
347,048,366.58/478,927,674.09 = 188,278,489.08/x - Step 3: Cross multiply
347,048,366.58x = 478,927,674.09 × 188,278,489.08 - Step 4: Simplify right side
347,048,366.58x = 90,171,778,856,263,872 - Step 5: Solve for x
x = 90,171,778,856,263,872/347,048,366.58 - Step 6: Final answer
x = 259,824,818.50
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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.