Finding the Fourth Proportional to 1,095,177,046.24, 1,511,418,474.88 and 618,702,158.80
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Solution
The fourth proportional to 1,095,177,046.24, 1,511,418,474.88 and 618,702,158.80 is: 853,850,869.56
Step by Step Solution
- Step 1: Write the proportion equation
1,095,177,046.24 : 1,511,418,474.88 = 618,702,158.80 : x - Step 2: Convert to fraction form
1,095,177,046.24/1,511,418,474.88 = 618,702,158.80/x - Step 3: Cross multiply
1,095,177,046.24x = 1,511,418,474.88 × 618,702,158.80 - Step 4: Simplify right side
1,095,177,046.24x = 935,117,873,258,459,520 - Step 5: Solve for x
x = 935,117,873,258,459,520/1,095,177,046.24 - Step 6: Final answer
x = 853,850,869.56
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1.5x scale
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.