Finding the Fourth Proportional to 353,246,329.09, 487,471,024.42 and 194,474,866.98
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Solution
The fourth proportional to 353,246,329.09, 487,471,024.42 and 194,474,866.98 is: 268,370,411.31
Step by Step Solution
- Step 1: Write the proportion equation
353,246,329.09 : 487,471,024.42 = 194,474,866.98 : x - Step 2: Convert to fraction form
353,246,329.09/487,471,024.42 = 194,474,866.98/x - Step 3: Cross multiply
353,246,329.09x = 487,471,024.42 × 194,474,866.98 - Step 4: Simplify right side
353,246,329.09x = 94,800,862,629,711,456 - Step 5: Solve for x
x = 94,800,862,629,711,456/353,246,329.09 - Step 6: Final answer
x = 268,370,411.31
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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.