Finding the Fourth Proportional to 398,956,387.34, 597,915,504.69 and 162,330,146.12
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Solution
The fourth proportional to 398,956,387.34, 597,915,504.69 and 162,330,146.12 is: 243,284,013.80
Step by Step Solution
- Step 1: Write the proportion equation
398,956,387.34 : 597,915,504.69 = 162,330,146.12 : x - Step 2: Convert to fraction form
398,956,387.34/597,915,504.69 = 162,330,146.12/x - Step 3: Cross multiply
398,956,387.34x = 597,915,504.69 × 162,330,146.12 - Step 4: Simplify right side
398,956,387.34x = 97,059,711,243,741,264 - Step 5: Solve for x
x = 97,059,711,243,741,264/398,956,387.34 - Step 6: Final answer
x = 243,284,013.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.