Finding the Fourth Proportional to 6,672,634,013.28, 9,207,626,358.24 and 3,959,434,315.92
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Solution
The fourth proportional to 6,672,634,013.28, 9,207,626,358.24 and 3,959,434,315.92 is: 5,463,658,234.28
Step by Step Solution
- Step 1: Write the proportion equation
6,672,634,013.28 : 9,207,626,358.24 = 3,959,434,315.92 : x - Step 2: Convert to fraction form
6,672,634,013.28/9,207,626,358.24 = 3,959,434,315.92/x - Step 3: Cross multiply
6,672,634,013.28x = 9,207,626,358.24 × 3,959,434,315.92 - Step 4: Simplify right side
6,672,634,013.28x = 36,456,991,770,984,955,904 - Step 5: Solve for x
x = 36,456,991,770,984,955,904/6,672,634,013.28 - Step 6: Final answer
x = 5,463,658,234.28
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1.5x scale
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.