Finding the Fourth Proportional to 358,316,272.29, 494,444,931.84 and 199,534,397.04
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Solution
The fourth proportional to 358,316,272.29, 494,444,931.84 and 199,534,397.04 is: 275,339,913.29
Step by Step Solution
- Step 1: Write the proportion equation
358,316,272.29 : 494,444,931.84 = 199,534,397.04 : x - Step 2: Convert to fraction form
358,316,272.29/494,444,931.84 = 199,534,397.04/x - Step 3: Cross multiply
358,316,272.29x = 494,444,931.84 × 199,534,397.04 - Step 4: Simplify right side
358,316,272.29x = 98,658,771,344,178,288 - Step 5: Solve for x
x = 98,658,771,344,178,288/358,316,272.29 - Step 6: Final answer
x = 275,339,913.29
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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.