Finding the Fourth Proportional to 358,571,966.58, 494,816,249.97 and 199,793,885.76
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Solution
The fourth proportional to 358,571,966.58, 494,816,249.97 and 199,793,885.76 is: 275,708,283.23
Step by Step Solution
- Step 1: Write the proportion equation
358,571,966.58 : 494,816,249.97 = 199,793,885.76 : x - Step 2: Convert to fraction form
358,571,966.58/494,816,249.97 = 199,793,885.76/x - Step 3: Cross multiply
358,571,966.58x = 494,816,249.97 × 199,793,885.76 - Step 4: Simplify right side
358,571,966.58x = 98,861,261,318,697,792 - Step 5: Solve for x
x = 98,861,261,318,697,792/358,571,966.58 - Step 6: Final answer
x = 275,708,283.23
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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.