Finding the Fourth Proportional to 511,684,119.98, 706,124,086.68 and 276,734,780.43
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Solution
The fourth proportional to 511,684,119.98, 706,124,086.68 and 276,734,780.43 is: 381,893,997.59
Step by Step Solution
- Step 1: Write the proportion equation
511,684,119.98 : 706,124,086.68 = 276,734,780.43 : x - Step 2: Convert to fraction form
511,684,119.98/706,124,086.68 = 276,734,780.43/x - Step 3: Cross multiply
511,684,119.98x = 706,124,086.68 × 276,734,780.43 - Step 4: Simplify right side
511,684,119.98x = 195,409,094,082,113,888 - Step 5: Solve for x
x = 195,409,094,082,113,888/511,684,119.98 - Step 6: Final answer
x = 381,893,997.59
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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.