Finding the Fourth Proportional to 495,436,551.36, 742,739,122.08 and 219,043,141.44
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Solution
The fourth proportional to 495,436,551.36, 742,739,122.08 and 219,043,141.44 is: 328,380,920.07
Step by Step Solution
- Step 1: Write the proportion equation
495,436,551.36 : 742,739,122.08 = 219,043,141.44 : x - Step 2: Convert to fraction form
495,436,551.36/742,739,122.08 = 219,043,141.44/x - Step 3: Cross multiply
495,436,551.36x = 742,739,122.08 × 219,043,141.44 - Step 4: Simplify right side
495,436,551.36x = 162,691,910,570,790,880 - Step 5: Solve for x
x = 162,691,910,570,790,880/495,436,551.36 - Step 6: Final answer
x = 328,380,920.07
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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.