Finding the Fourth Proportional to 3,317,258,562.96, 4,577,786,679 and 1,811,884,600.80
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Solution
The fourth proportional to 3,317,258,562.96, 4,577,786,679 and 1,811,884,600.80 is: 2,500,384,287.81
Step by Step Solution
- Step 1: Write the proportion equation
3,317,258,562.96 : 4,577,786,679 = 1,811,884,600.80 : x - Step 2: Convert to fraction form
3,317,258,562.96/4,577,786,679 = 1,811,884,600.80/x - Step 3: Cross multiply
3,317,258,562.96x = 4,577,786,679 × 1,811,884,600.80 - Step 4: Simplify right side
3,317,258,562.96x = 8,294,421,189,427,472,384 - Step 5: Solve for x
x = 8,294,421,189,427,472,384/3,317,258,562.96 - Step 6: Final answer
x = 2,500,384,287.81
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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.