Finding the Fourth Proportional to 331,485,648.70, 497,228,473.05 and 202,345,485.70
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Solution
The fourth proportional to 331,485,648.70, 497,228,473.05 and 202,345,485.70 is: 303,518,228.55
Step by Step Solution
- Step 1: Write the proportion equation
331,485,648.70 : 497,228,473.05 = 202,345,485.70 : x - Step 2: Convert to fraction form
331,485,648.70/497,228,473.05 = 202,345,485.70/x - Step 3: Cross multiply
331,485,648.70x = 497,228,473.05 × 202,345,485.70 - Step 4: Simplify right side
331,485,648.70x = 100,611,936,883,171,600 - Step 5: Solve for x
x = 100,611,936,883,171,600/331,485,648.70 - Step 6: Final answer
x = 303,518,228.55
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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.