Finding the Fourth Proportional to 472,535,770.80, 708,591,079.80 and 181,306,102.80
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Solution
The fourth proportional to 472,535,770.80, 708,591,079.80 and 181,306,102.80 is: 271,877,591.28
Step by Step Solution
- Step 1: Write the proportion equation
472,535,770.80 : 708,591,079.80 = 181,306,102.80 : x - Step 2: Convert to fraction form
472,535,770.80/708,591,079.80 = 181,306,102.80/x - Step 3: Cross multiply
472,535,770.80x = 708,591,079.80 × 181,306,102.80 - Step 4: Simplify right side
472,535,770.80x = 128,471,887,157,381,808 - Step 5: Solve for x
x = 128,471,887,157,381,808/472,535,770.80 - Step 6: Final answer
x = 271,877,591.28
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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.