Finding the Fourth Proportional to 398,601,404.70, 597,902,107.05 and 343,118,964.30
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Solution
The fourth proportional to 398,601,404.70, 597,902,107.05 and 343,118,964.30 is: 514,678,446.45
Step by Step Solution
- Step 1: Write the proportion equation
398,601,404.70 : 597,902,107.05 = 343,118,964.30 : x - Step 2: Convert to fraction form
398,601,404.70/597,902,107.05 = 343,118,964.30/x - Step 3: Cross multiply
398,601,404.70x = 597,902,107.05 × 343,118,964.30 - Step 4: Simplify right side
398,601,404.70x = 205,151,551,723,783,712 - Step 5: Solve for x
x = 205,151,551,723,783,712/398,601,404.70 - Step 6: Final answer
x = 514,678,446.45
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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.