Finding the Fourth Proportional to 394,265,894.75, 544,254,463.88 and 245,660,437.50
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Solution
The fourth proportional to 394,265,894.75, 544,254,463.88 and 245,660,437.50 is: 339,115,788.33
Step by Step Solution
- Step 1: Write the proportion equation
394,265,894.75 : 544,254,463.88 = 245,660,437.50 : x - Step 2: Convert to fraction form
394,265,894.75/544,254,463.88 = 245,660,437.50/x - Step 3: Cross multiply
394,265,894.75x = 544,254,463.88 × 245,660,437.50 - Step 4: Simplify right side
394,265,894.75x = 133,701,789,706,860,448 - Step 5: Solve for x
x = 133,701,789,706,860,448/394,265,894.75 - Step 6: Final answer
x = 339,115,788.33
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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.