Finding the Fourth Proportional to 912,274,017,761.45, 1,258,939,391,195.90 and 495,127,869,372.95
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Solution
The fourth proportional to 912,274,017,761.45, 1,258,939,391,195.90 and 495,127,869,372.95 is: 683,277,136,360.91
Step by Step Solution
- Step 1: Write the proportion equation
912,274,017,761.45 : 1,258,939,391,195.90 = 495,127,869,372.95 : x - Step 2: Convert to fraction form
912,274,017,761.45/1,258,939,391,195.90 = 495,127,869,372.95/x - Step 3: Cross multiply
912,274,017,761.45x = 1,258,939,391,195.90 × 495,127,869,372.95 - Step 4: Simplify right side
912,274,017,761.45x = 623,335,978,432,504,791,040,000 - Step 5: Solve for x
x = 623,335,978,432,504,791,040,000/912,274,017,761.45 - Step 6: Final answer
x = 683,277,136,360.91
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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.