Finding the Fourth Proportional to 511,686,713.12, 706,127,664.79 and 276,737,374.19
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Solution
The fourth proportional to 511,686,713.12, 706,127,664.79 and 276,737,374.19 is: 381,897,576.76
Step by Step Solution
- Step 1: Write the proportion equation
511,686,713.12 : 706,127,664.79 = 276,737,374.19 : x - Step 2: Convert to fraction form
511,686,713.12/706,127,664.79 = 276,737,374.19/x - Step 3: Cross multiply
511,686,713.12x = 706,127,664.79 × 276,737,374.19 - Step 4: Simplify right side
511,686,713.12x = 195,411,915,799,012,352 - Step 5: Solve for x
x = 195,411,915,799,012,352/511,686,713.12 - Step 6: Final answer
x = 381,897,576.76
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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.