Finding the Fourth Proportional to 1,182,264,371.80, 1,773,396,557.70 and 746,907,904.60
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Solution
The fourth proportional to 1,182,264,371.80, 1,773,396,557.70 and 746,907,904.60 is: 1,120,361,856.90
Step by Step Solution
- Step 1: Write the proportion equation
1,182,264,371.80 : 1,773,396,557.70 = 746,907,904.60 : x - Step 2: Convert to fraction form
1,182,264,371.80/1,773,396,557.70 = 746,907,904.60/x - Step 3: Cross multiply
1,182,264,371.80x = 1,773,396,557.70 × 746,907,904.60 - Step 4: Simplify right side
1,182,264,371.80x = 1,324,563,906,936,560,128 - Step 5: Solve for x
x = 1,324,563,906,936,560,128/1,182,264,371.80 - Step 6: Final answer
x = 1,120,361,856.90
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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.