Finding the Fourth Proportional to 358,836,944.48, 495,195,173.16 and 193,824,513.68
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Solution
The fourth proportional to 358,836,944.48, 495,195,173.16 and 193,824,513.68 is: 267,477,931.39
Step by Step Solution
- Step 1: Write the proportion equation
358,836,944.48 : 495,195,173.16 = 193,824,513.68 : x - Step 2: Convert to fraction form
358,836,944.48/495,195,173.16 = 193,824,513.68/x - Step 3: Cross multiply
358,836,944.48x = 495,195,173.16 × 193,824,513.68 - Step 4: Simplify right side
358,836,944.48x = 95,980,963,614,420,400 - Step 5: Solve for x
x = 95,980,963,614,420,400/358,836,944.48 - Step 6: Final answer
x = 267,477,931.39
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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.