Finding the Fourth Proportional to 338,659,151.70, 467,244,891.50 and 197,430,404.70
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Solution
The fourth proportional to 338,659,151.70, 467,244,891.50 and 197,430,404.70 is: 272,392,898.76
Step by Step Solution
- Step 1: Write the proportion equation
338,659,151.70 : 467,244,891.50 = 197,430,404.70 : x - Step 2: Convert to fraction form
338,659,151.70/467,244,891.50 = 197,430,404.70/x - Step 3: Cross multiply
338,659,151.70x = 467,244,891.50 × 197,430,404.70 - Step 4: Simplify right side
338,659,151.70x = 92,248,348,022,852,592 - Step 5: Solve for x
x = 92,248,348,022,852,592/338,659,151.70 - Step 6: Final answer
x = 272,392,898.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.