Finding the Fourth Proportional to 288,362,819.99, 397,932,470.34 and 169,283,497.43
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Solution
The fourth proportional to 288,362,819.99, 397,932,470.34 and 169,283,497.43 is: 233,606,400.17
Step by Step Solution
- Step 1: Write the proportion equation
288,362,819.99 : 397,932,470.34 = 169,283,497.43 : x - Step 2: Convert to fraction form
288,362,819.99/397,932,470.34 = 169,283,497.43/x - Step 3: Cross multiply
288,362,819.99x = 397,932,470.34 × 169,283,497.43 - Step 4: Simplify right side
288,362,819.99x = 67,363,400,320,114,936 - Step 5: Solve for x
x = 67,363,400,320,114,936/288,362,819.99 - Step 6: Final answer
x = 233,606,400.17
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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.