Finding the Fourth Proportional to 307,207,556.21, 460,811,777.81 and 125,454,734.21
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Solution
The fourth proportional to 307,207,556.21, 460,811,777.81 and 125,454,734.21 is: 188,182,282.42
Step by Step Solution
- Step 1: Write the proportion equation
307,207,556.21 : 460,811,777.81 = 125,454,734.21 : x - Step 2: Convert to fraction form
307,207,556.21/460,811,777.81 = 125,454,734.21/x - Step 3: Cross multiply
307,207,556.21x = 460,811,777.81 × 125,454,734.21 - Step 4: Simplify right side
307,207,556.21x = 57,811,019,105,363,848 - Step 5: Solve for x
x = 57,811,019,105,363,848/307,207,556.21 - Step 6: Final answer
x = 188,182,282.42
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1.5x scale
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.