Finding the Fourth Proportional to 323,690,713.62, 446,734,096.49 and 212,275,288.95
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Solution
The fourth proportional to 323,690,713.62, 446,734,096.49 and 212,275,288.95 is: 292,966,728.50
Step by Step Solution
- Step 1: Write the proportion equation
323,690,713.62 : 446,734,096.49 = 212,275,288.95 : x - Step 2: Convert to fraction form
323,690,713.62/446,734,096.49 = 212,275,288.95/x - Step 3: Cross multiply
323,690,713.62x = 446,734,096.49 × 212,275,288.95 - Step 4: Simplify right side
323,690,713.62x = 94,830,609,415,170,560 - Step 5: Solve for x
x = 94,830,609,415,170,560/323,690,713.62 - Step 6: Final answer
x = 292,966,728.50
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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.