Finding the Fourth Proportional to 7,617,503,966.76, 10,511,203,587.66 and 4,229,952,673.32
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Solution
The fourth proportional to 7,617,503,966.76, 10,511,203,587.66 and 4,229,952,673.32 is: 5,836,806,112.53
Step by Step Solution
- Step 1: Write the proportion equation
7,617,503,966.76 : 10,511,203,587.66 = 4,229,952,673.32 : x - Step 2: Convert to fraction form
7,617,503,966.76/10,511,203,587.66 = 4,229,952,673.32/x - Step 3: Cross multiply
7,617,503,966.76x = 10,511,203,587.66 × 4,229,952,673.32 - Step 4: Simplify right side
7,617,503,966.76x = 44,461,893,715,433,193,472 - Step 5: Solve for x
x = 44,461,893,715,433,193,472/7,617,503,966.76 - Step 6: Final answer
x = 5,836,806,112.53
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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.