Finding the Fourth Proportional to 358,846,412.01, 495,207,972.24 and 193,833,983.13
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Solution
The fourth proportional to 358,846,412.01, 495,207,972.24 and 193,833,983.13 is: 267,490,855.48
Step by Step Solution
- Step 1: Write the proportion equation
358,846,412.01 : 495,207,972.24 = 193,833,983.13 : x - Step 2: Convert to fraction form
358,846,412.01/495,207,972.24 = 193,833,983.13/x - Step 3: Cross multiply
358,846,412.01x = 495,207,972.24 × 193,833,983.13 - Step 4: Simplify right side
358,846,412.01x = 95,988,133,733,564,464 - Step 5: Solve for x
x = 95,988,133,733,564,464/358,846,412.01 - Step 6: Final answer
x = 267,490,855.48
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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.