Finding the Fourth Proportional to 378,394,360.34, 567,881,243.33 and 171,278,220.79
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Solution
The fourth proportional to 378,394,360.34, 567,881,243.33 and 171,278,220.79 is: 257,048,463.64
Step by Step Solution
- Step 1: Write the proportion equation
378,394,360.34 : 567,881,243.33 = 171,278,220.79 : x - Step 2: Convert to fraction form
378,394,360.34/567,881,243.33 = 171,278,220.79/x - Step 3: Cross multiply
378,394,360.34x = 567,881,243.33 × 171,278,220.79 - Step 4: Simplify right side
378,394,360.34x = 97,265,688,975,299,360 - Step 5: Solve for x
x = 97,265,688,975,299,360/378,394,360.34 - Step 6: Final answer
x = 257,048,463.64
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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.