Finding the Fourth Proportional to 544,877,278.10, 752,359,078.18 and 438,693,396.50
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Solution
The fourth proportional to 544,877,278.10, 752,359,078.18 and 438,693,396.50 is: 605,741,829.69
Step by Step Solution
- Step 1: Write the proportion equation
544,877,278.10 : 752,359,078.18 = 438,693,396.50 : x - Step 2: Convert to fraction form
544,877,278.10/752,359,078.18 = 438,693,396.50/x - Step 3: Cross multiply
544,877,278.10x = 752,359,078.18 × 438,693,396.50 - Step 4: Simplify right side
544,877,278.10x = 330,054,959,394,393,216 - Step 5: Solve for x
x = 330,054,959,394,393,216/544,877,278.10 - Step 6: Final answer
x = 605,741,829.69
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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.