Finding the Fourth Proportional to 1,785,471,454.84, 2,678,215,735.86 and 541,912,721.08
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Solution
The fourth proportional to 1,785,471,454.84, 2,678,215,735.86 and 541,912,721.08 is: 812,871,677.74
Step by Step Solution
- Step 1: Write the proportion equation
1,785,471,454.84 : 2,678,215,735.86 = 541,912,721.08 : x - Step 2: Convert to fraction form
1,785,471,454.84/2,678,215,735.86 = 541,912,721.08/x - Step 3: Cross multiply
1,785,471,454.84x = 2,678,215,735.86 × 541,912,721.08 - Step 4: Simplify right side
1,785,471,454.84x = 1,451,359,177,059,167,232 - Step 5: Solve for x
x = 1,451,359,177,059,167,232/1,785,471,454.84 - Step 6: Final answer
x = 812,871,677.74
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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.