Finding the Fourth Proportional to 5,414,126,117.33, 8,115,457,395.49 and 1,821,132,815.83
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Solution
The fourth proportional to 5,414,126,117.33, 8,115,457,395.49 and 1,821,132,815.83 is: 2,729,771,242.52
Step by Step Solution
- Step 1: Write the proportion equation
5,414,126,117.33 : 8,115,457,395.49 = 1,821,132,815.83 : x - Step 2: Convert to fraction form
5,414,126,117.33/8,115,457,395.49 = 1,821,132,815.83/x - Step 3: Cross multiply
5,414,126,117.33x = 8,115,457,395.49 × 1,821,132,815.83 - Step 4: Simplify right side
5,414,126,117.33x = 14,779,325,778,428,170,240 - Step 5: Solve for x
x = 14,779,325,778,428,170,240/5,414,126,117.33 - Step 6: Final answer
x = 2,729,771,242.52
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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.