Finding the Fourth Proportional to 433,320,831.42, 597,983,906.41 and 235,082,326.20
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Solution
The fourth proportional to 433,320,831.42, 597,983,906.41 and 235,082,326.20 is: 324,414,238.96
Step by Step Solution
- Step 1: Write the proportion equation
433,320,831.42 : 597,983,906.41 = 235,082,326.20 : x - Step 2: Convert to fraction form
433,320,831.42/597,983,906.41 = 235,082,326.20/x - Step 3: Cross multiply
433,320,831.42x = 597,983,906.41 × 235,082,326.20 - Step 4: Simplify right side
433,320,831.42x = 140,575,447,749,025,872 - Step 5: Solve for x
x = 140,575,447,749,025,872/433,320,831.42 - Step 6: Final answer
x = 324,414,238.96
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1.5x scale
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.