Finding the Fourth Proportional to 1,594,351,446.80, 2,391,905,083.80 and 818,116,912.40
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Solution
The fourth proportional to 1,594,351,446.80, 2,391,905,083.80 and 818,116,912.40 is: 1,227,369,289.15
Step by Step Solution
- Step 1: Write the proportion equation
1,594,351,446.80 : 2,391,905,083.80 = 818,116,912.40 : x - Step 2: Convert to fraction form
1,594,351,446.80/2,391,905,083.80 = 818,116,912.40/x - Step 3: Cross multiply
1,594,351,446.80x = 2,391,905,083.80 × 818,116,912.40 - Step 4: Simplify right side
1,594,351,446.80x = 1,956,858,001,912,319,232 - Step 5: Solve for x
x = 1,956,858,001,912,319,232/1,594,351,446.80 - Step 6: Final answer
x = 1,227,369,289.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.