Finding the Fourth Proportional to 693,583,438.92, 1,039,646,884.14 and 233,361,831.48
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Solution
The fourth proportional to 693,583,438.92, 1,039,646,884.14 and 233,361,831.48 is: 349,797,713.38
Step by Step Solution
- Step 1: Write the proportion equation
693,583,438.92 : 1,039,646,884.14 = 233,361,831.48 : x - Step 2: Convert to fraction form
693,583,438.92/1,039,646,884.14 = 233,361,831.48/x - Step 3: Cross multiply
693,583,438.92x = 1,039,646,884.14 × 233,361,831.48 - Step 4: Simplify right side
693,583,438.92x = 242,613,900,975,385,760 - Step 5: Solve for x
x = 242,613,900,975,385,760/693,583,438.92 - Step 6: Final answer
x = 349,797,713.38
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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.