Finding the Fourth Proportional to 358,752,186.10, 495,078,012.84 and 193,739,755.60
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Solution
The fourth proportional to 358,752,186.10, 495,078,012.84 and 193,739,755.60 is: 267,360,860.58
Step by Step Solution
- Step 1: Write the proportion equation
358,752,186.10 : 495,078,012.84 = 193,739,755.60 : x - Step 2: Convert to fraction form
358,752,186.10/495,078,012.84 = 193,739,755.60/x - Step 3: Cross multiply
358,752,186.10x = 495,078,012.84 × 193,739,755.60 - Step 4: Simplify right side
358,752,186.10x = 95,916,293,210,555,248 - Step 5: Solve for x
x = 95,916,293,210,555,248/358,752,186.10 - Step 6: Final answer
x = 267,360,860.58
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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.