Finding the Fourth Proportional to 474,714,136.80, 711,504,334.80 and 198,364,816.80
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Solution
The fourth proportional to 474,714,136.80, 711,504,334.80 and 198,364,816.80 is: 297,310,351.82
Step by Step Solution
- Step 1: Write the proportion equation
474,714,136.80 : 711,504,334.80 = 198,364,816.80 : x - Step 2: Convert to fraction form
474,714,136.80/711,504,334.80 = 198,364,816.80/x - Step 3: Cross multiply
474,714,136.80x = 711,504,334.80 × 198,364,816.80 - Step 4: Simplify right side
474,714,136.80x = 141,137,427,025,007,856 - Step 5: Solve for x
x = 141,137,427,025,007,856/474,714,136.80 - Step 6: Final answer
x = 297,310,351.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.