Finding the Fourth Proportional to 456,161,203.62, 629,515,737.90 and 257,918,439.96
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Solution
The fourth proportional to 456,161,203.62, 629,515,737.90 and 257,918,439.96 is: 355,934,954.05
Step by Step Solution
- Step 1: Write the proportion equation
456,161,203.62 : 629,515,737.90 = 257,918,439.96 : x - Step 2: Convert to fraction form
456,161,203.62/629,515,737.90 = 257,918,439.96/x - Step 3: Cross multiply
456,161,203.62x = 629,515,737.90 × 257,918,439.96 - Step 4: Simplify right side
456,161,203.62x = 162,363,717,049,436,256 - Step 5: Solve for x
x = 162,363,717,049,436,256/456,161,203.62 - Step 6: Final answer
x = 355,934,954.05
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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.