Finding the Fourth Proportional to 5,414,126,130.63, 8,115,457,415.50 and 1,821,132,829.21
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Solution
The fourth proportional to 5,414,126,130.63, 8,115,457,415.50 and 1,821,132,829.21 is: 2,729,771,262.59
Step by Step Solution
- Step 1: Write the proportion equation
5,414,126,130.63 : 8,115,457,415.50 = 1,821,132,829.21 : x - Step 2: Convert to fraction form
5,414,126,130.63/8,115,457,415.50 = 1,821,132,829.21/x - Step 3: Cross multiply
5,414,126,130.63x = 8,115,457,415.50 × 1,821,132,829.21 - Step 4: Simplify right side
5,414,126,130.63x = 14,779,325,923,422,789,632 - Step 5: Solve for x
x = 14,779,325,923,422,789,632/5,414,126,130.63 - Step 6: Final answer
x = 2,729,771,262.59
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1.5x scale
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.