Finding the Fourth Proportional to 414,688,690.96, 622,125,816.27 and 155,906,153.62
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Solution
The fourth proportional to 414,688,690.96, 622,125,816.27 and 155,906,153.62 is: 233,894,111.89
Step by Step Solution
- Step 1: Write the proportion equation
414,688,690.96 : 622,125,816.27 = 155,906,153.62 : x - Step 2: Convert to fraction form
414,688,690.96/622,125,816.27 = 155,906,153.62/x - Step 3: Cross multiply
414,688,690.96x = 622,125,816.27 × 155,906,153.62 - Step 4: Simplify right side
414,688,690.96x = 96,993,243,082,358,512 - Step 5: Solve for x
x = 96,993,243,082,358,512/414,688,690.96 - Step 6: Final answer
x = 233,894,111.89
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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.