Finding the Fourth Proportional to 1,095,177,028.24, 1,511,418,450.03 and 618,702,140.71
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Solution
The fourth proportional to 1,095,177,028.24, 1,511,418,450.03 and 618,702,140.71 is: 853,850,844.59
Step by Step Solution
- Step 1: Write the proportion equation
1,095,177,028.24 : 1,511,418,450.03 = 618,702,140.71 : x - Step 2: Convert to fraction form
1,095,177,028.24/1,511,418,450.03 = 618,702,140.71/x - Step 3: Cross multiply
1,095,177,028.24x = 1,511,418,450.03 × 618,702,140.71 - Step 4: Simplify right side
1,095,177,028.24x = 935,117,830,542,151,168 - Step 5: Solve for x
x = 935,117,830,542,151,168/1,095,177,028.24 - Step 6: Final answer
x = 853,850,844.59
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Double scale
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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.