Finding the Fourth Proportional to 511,825,455.30, 706,317,000.84 and 276,875,536.62
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Solution
The fourth proportional to 511,825,455.30, 706,317,000.84 and 276,875,536.62 is: 382,087,089.66
Step by Step Solution
- Step 1: Write the proportion equation
511,825,455.30 : 706,317,000.84 = 276,875,536.62 : x - Step 2: Convert to fraction form
511,825,455.30/706,317,000.84 = 276,875,536.62/x - Step 3: Cross multiply
511,825,455.30x = 706,317,000.84 × 276,875,536.62 - Step 4: Simplify right side
511,825,455.30x = 195,561,898,631,404,000 - Step 5: Solve for x
x = 195,561,898,631,404,000/511,825,455.30 - Step 6: Final answer
x = 382,087,089.66
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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.