Finding the Fourth Proportional to 358,848,640.64, 495,211,323.12 and 193,836,211.04
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Solution
The fourth proportional to 358,848,640.64, 495,211,323.12 and 193,836,211.04 is: 267,494,078.75
Step by Step Solution
- Step 1: Write the proportion equation
358,848,640.64 : 495,211,323.12 = 193,836,211.04 : x - Step 2: Convert to fraction form
358,848,640.64/495,211,323.12 = 193,836,211.04/x - Step 3: Cross multiply
358,848,640.64x = 495,211,323.12 × 193,836,211.04 - Step 4: Simplify right side
358,848,640.64x = 95,989,886,537,685,952 - Step 5: Solve for x
x = 95,989,886,537,685,952/358,848,640.64 - Step 6: Final answer
x = 267,494,078.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.