Finding the Fourth Proportional to 472,393,714.05, 708,590,571.08 and 242,811,202.05
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Solution
The fourth proportional to 472,393,714.05, 708,590,571.08 and 242,811,202.05 is: 364,216,803.08
Step by Step Solution
- Step 1: Write the proportion equation
472,393,714.05 : 708,590,571.08 = 242,811,202.05 : x - Step 2: Convert to fraction form
472,393,714.05/708,590,571.08 = 242,811,202.05/x - Step 3: Cross multiply
472,393,714.05x = 708,590,571.08 × 242,811,202.05 - Step 4: Simplify right side
472,393,714.05x = 172,053,728,324,016,736 - Step 5: Solve for x
x = 172,053,728,324,016,736/472,393,714.05 - Step 6: Final answer
x = 364,216,803.08
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1.5x scale
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.