Finding the Fourth Proportional to 505,513,404.70, 758,270,107.05 and 246,894,531.10
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Solution
The fourth proportional to 505,513,404.70, 758,270,107.05 and 246,894,531.10 is: 370,341,796.65
Step by Step Solution
- Step 1: Write the proportion equation
505,513,404.70 : 758,270,107.05 = 246,894,531.10 : x - Step 2: Convert to fraction form
505,513,404.70/758,270,107.05 = 246,894,531.10/x - Step 3: Cross multiply
505,513,404.70x = 758,270,107.05 × 246,894,531.10 - Step 4: Simplify right side
505,513,404.70x = 187,212,742,527,256,544 - Step 5: Solve for x
x = 187,212,742,527,256,544/505,513,404.70 - Step 6: Final answer
x = 370,341,796.65
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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.