Finding the Fourth Proportional to 511,674,857.18, 706,111,774.50 and 276,725,517.81
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Solution
The fourth proportional to 511,674,857.18, 706,111,774.50 and 276,725,517.81 is: 381,881,469.63
Step by Step Solution
- Step 1: Write the proportion equation
511,674,857.18 : 706,111,774.50 = 276,725,517.81 : x - Step 2: Convert to fraction form
511,674,857.18/706,111,774.50 = 276,725,517.81/x - Step 3: Cross multiply
511,674,857.18x = 706,111,774.50 × 276,725,517.81 - Step 4: Simplify right side
511,674,857.18x = 195,399,146,430,250,464 - Step 5: Solve for x
x = 195,399,146,430,250,464/511,674,857.18 - Step 6: Final answer
x = 381,881,469.63
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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.