Finding the Fourth Proportional to 477,129,086.70, 715,693,630.05 and 354,685,080.30
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Solution
The fourth proportional to 477,129,086.70, 715,693,630.05 and 354,685,080.30 is: 532,027,620.45
Step by Step Solution
- Step 1: Write the proportion equation
477,129,086.70 : 715,693,630.05 = 354,685,080.30 : x - Step 2: Convert to fraction form
477,129,086.70/715,693,630.05 = 354,685,080.30/x - Step 3: Cross multiply
477,129,086.70x = 715,693,630.05 × 354,685,080.30 - Step 4: Simplify right side
477,129,086.70x = 253,845,852,644,482,720 - Step 5: Solve for x
x = 253,845,852,644,482,720/477,129,086.70 - Step 6: Final answer
x = 532,027,620.45
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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.