Finding the Fourth Proportional to 358,745,858.20, 495,069,281.40 and 193,733,413.12
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Solution
The fourth proportional to 358,745,858.20, 495,069,281.40 and 193,733,413.12 is: 267,352,108.53
Step by Step Solution
- Step 1: Write the proportion equation
358,745,858.20 : 495,069,281.40 = 193,733,413.12 : x - Step 2: Convert to fraction form
358,745,858.20/495,069,281.40 = 193,733,413.12/x - Step 3: Cross multiply
358,745,858.20x = 495,069,281.40 × 193,733,413.12 - Step 4: Simplify right side
358,745,858.20x = 95,911,461,616,487,728 - Step 5: Solve for x
x = 95,911,461,616,487,728/358,745,858.20 - Step 6: Final answer
x = 267,352,108.53
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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.