Finding the Fourth Proportional to 662,252,835.33, 913,621,747.56 and 394,178,352.62
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Solution
The fourth proportional to 662,252,835.33, 913,621,747.56 and 394,178,352.62 is: 543,795,203.52
Step by Step Solution
- Step 1: Write the proportion equation
662,252,835.33 : 913,621,747.56 = 394,178,352.62 : x - Step 2: Convert to fraction form
662,252,835.33/913,621,747.56 = 394,178,352.62/x - Step 3: Cross multiply
662,252,835.33x = 913,621,747.56 × 394,178,352.62 - Step 4: Simplify right side
662,252,835.33x = 360,129,915,370,593,472 - Step 5: Solve for x
x = 360,129,915,370,593,472/662,252,835.33 - Step 6: Final answer
x = 543,795,203.52
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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.