Finding the Fourth Proportional to 541,964,046.90, 812,946,070.35 and 178,411,163.70
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Solution
The fourth proportional to 541,964,046.90, 812,946,070.35 and 178,411,163.70 is: 267,616,745.55
Step by Step Solution
- Step 1: Write the proportion equation
541,964,046.90 : 812,946,070.35 = 178,411,163.70 : x - Step 2: Convert to fraction form
541,964,046.90/812,946,070.35 = 178,411,163.70/x - Step 3: Cross multiply
541,964,046.90x = 812,946,070.35 × 178,411,163.70 - Step 4: Simplify right side
541,964,046.90x = 145,038,654,436,485,568 - Step 5: Solve for x
x = 145,038,654,436,485,568/541,964,046.90 - Step 6: Final answer
x = 267,616,745.55
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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.