Finding the Fourth Proportional to 472,393,232.80, 708,589,849.20 and 288,727,223.20
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Solution
The fourth proportional to 472,393,232.80, 708,589,849.20 and 288,727,223.20 is: 433,090,834.80
Step by Step Solution
- Step 1: Write the proportion equation
472,393,232.80 : 708,589,849.20 = 288,727,223.20 : x - Step 2: Convert to fraction form
472,393,232.80/708,589,849.20 = 288,727,223.20/x - Step 3: Cross multiply
472,393,232.80x = 708,589,849.20 × 288,727,223.20 - Step 4: Simplify right side
472,393,232.80x = 204,589,179,547,222,752 - Step 5: Solve for x
x = 204,589,179,547,222,752/472,393,232.80 - Step 6: Final answer
x = 433,090,834.80
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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.