Finding the Fourth Proportional to 394,265,891.26, 544,254,459.04 and 245,660,434
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Solution
The fourth proportional to 394,265,891.26, 544,254,459.04 and 245,660,434 is: 339,115,783.48
Step by Step Solution
- Step 1: Write the proportion equation
394,265,891.26 : 544,254,459.04 = 245,660,434 : x - Step 2: Convert to fraction form
394,265,891.26/544,254,459.04 = 245,660,434/x - Step 3: Cross multiply
394,265,891.26x = 544,254,459.04 × 245,660,434 - Step 4: Simplify right side
394,265,891.26x = 133,701,786,612,973,312 - Step 5: Solve for x
x = 133,701,786,612,973,312/394,265,891.26 - Step 6: Final answer
x = 339,115,783.48
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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.