Finding the Fourth Proportional to 358,574,864.63, 494,828,283.22 and 199,811,679.14
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Solution
The fourth proportional to 358,574,864.63, 494,828,283.22 and 199,811,679.14 is: 275,737,314.32
Step by Step Solution
- Step 1: Write the proportion equation
358,574,864.63 : 494,828,283.22 = 199,811,679.14 : x - Step 2: Convert to fraction form
358,574,864.63/494,828,283.22 = 199,811,679.14/x - Step 3: Cross multiply
358,574,864.63x = 494,828,283.22 × 199,811,679.14 - Step 4: Simplify right side
358,574,864.63x = 98,872,470,156,151,680 - Step 5: Solve for x
x = 98,872,470,156,151,680/358,574,864.63 - Step 6: Final answer
x = 275,737,314.32
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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.