Finding the Fourth Proportional to 610,307,556.12, 915,375,138.36 and 195,730,504.92
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Solution
The fourth proportional to 610,307,556.12, 915,375,138.36 and 195,730,504.92 is: 293,568,113.69
Step by Step Solution
- Step 1: Write the proportion equation
610,307,556.12 : 915,375,138.36 = 195,730,504.92 : x - Step 2: Convert to fraction form
610,307,556.12/915,375,138.36 = 195,730,504.92/x - Step 3: Cross multiply
610,307,556.12x = 915,375,138.36 × 195,730,504.92 - Step 4: Simplify right side
610,307,556.12x = 179,166,838,022,417,664 - Step 5: Solve for x
x = 179,166,838,022,417,664/610,307,556.12 - Step 6: Final answer
x = 293,568,113.69
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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.