Finding the Fourth Proportional to 394,259,996.62, 544,246,327.41 and 245,654,539.44
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Solution
The fourth proportional to 394,259,996.62, 544,246,327.41 and 245,654,539.44 is: 339,107,649.90
Step by Step Solution
- Step 1: Write the proportion equation
394,259,996.62 : 544,246,327.41 = 245,654,539.44 : x - Step 2: Convert to fraction form
394,259,996.62/544,246,327.41 = 245,654,539.44/x - Step 3: Cross multiply
394,259,996.62x = 544,246,327.41 × 245,654,539.44 - Step 4: Simplify right side
394,259,996.62x = 133,696,580,903,295,088 - Step 5: Solve for x
x = 133,696,580,903,295,088/394,259,996.62 - Step 6: Final answer
x = 339,107,649.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.