Finding the Fourth Proportional to 1,541,741,164.40, 2,127,541,515.66 and 872,824,966.94
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Solution
The fourth proportional to 1,541,741,164.40, 2,127,541,515.66 and 872,824,966.94 is: 1,204,463,755.62
Step by Step Solution
- Step 1: Write the proportion equation
1,541,741,164.40 : 2,127,541,515.66 = 872,824,966.94 : x - Step 2: Convert to fraction form
1,541,741,164.40/2,127,541,515.66 = 872,824,966.94/x - Step 3: Cross multiply
1,541,741,164.40x = 2,127,541,515.66 × 872,824,966.94 - Step 4: Simplify right side
1,541,741,164.40x = 1,856,971,353,069,417,216 - Step 5: Solve for x
x = 1,856,971,353,069,417,216/1,541,741,164.40 - Step 6: Final answer
x = 1,204,463,755.62
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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.