Finding the Fourth Proportional to 434,512,964.70, 651,884,920.65 and 188,764,148.70
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Solution
The fourth proportional to 434,512,964.70, 651,884,920.65 and 188,764,148.70 is: 283,196,387.90
Step by Step Solution
- Step 1: Write the proportion equation
434,512,964.70 : 651,884,920.65 = 188,764,148.70 : x - Step 2: Convert to fraction form
434,512,964.70/651,884,920.65 = 188,764,148.70/x - Step 3: Cross multiply
434,512,964.70x = 651,884,920.65 × 188,764,148.70 - Step 4: Simplify right side
434,512,964.70x = 123,052,502,096,864,288 - Step 5: Solve for x
x = 123,052,502,096,864,288/434,512,964.70 - Step 6: Final answer
x = 283,196,387.90
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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.