Finding the Fourth Proportional to 511,684,126.74, 706,124,096.02 and 276,734,787.21
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Solution
The fourth proportional to 511,684,126.74, 706,124,096.02 and 276,734,787.21 is: 381,894,006.95
Step by Step Solution
- Step 1: Write the proportion equation
511,684,126.74 : 706,124,096.02 = 276,734,787.21 : x - Step 2: Convert to fraction form
511,684,126.74/706,124,096.02 = 276,734,787.21/x - Step 3: Cross multiply
511,684,126.74x = 706,124,096.02 × 276,734,787.21 - Step 4: Simplify right side
511,684,126.74x = 195,409,101,455,948,288 - Step 5: Solve for x
x = 195,409,101,455,948,288/511,684,126.74 - Step 6: Final answer
x = 381,894,006.95
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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.