Finding the Fourth Proportional to 5,414,126,114.28, 8,115,457,390.92 and 1,821,132,812.76
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Solution
The fourth proportional to 5,414,126,114.28, 8,115,457,390.92 and 1,821,132,812.76 is: 2,729,771,237.91
Step by Step Solution
- Step 1: Write the proportion equation
5,414,126,114.28 : 8,115,457,390.92 = 1,821,132,812.76 : x - Step 2: Convert to fraction form
5,414,126,114.28/8,115,457,390.92 = 1,821,132,812.76/x - Step 3: Cross multiply
5,414,126,114.28x = 8,115,457,390.92 × 1,821,132,812.76 - Step 4: Simplify right side
5,414,126,114.28x = 14,779,325,745,166,444,544 - Step 5: Solve for x
x = 14,779,325,745,166,444,544/5,414,126,114.28 - Step 6: Final answer
x = 2,729,771,237.91
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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.