Finding the Fourth Proportional to 1,186,992,401.43, 1,778,241,229.50 and 792,329,201.99
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Solution
The fourth proportional to 1,186,992,401.43, 1,778,241,229.50 and 792,329,201.99 is: 1,186,993,659.44
Step by Step Solution
- Step 1: Write the proportion equation
1,186,992,401.43 : 1,778,241,229.50 = 792,329,201.99 : x - Step 2: Convert to fraction form
1,186,992,401.43/1,778,241,229.50 = 792,329,201.99/x - Step 3: Cross multiply
1,186,992,401.43x = 1,778,241,229.50 × 792,329,201.99 - Step 4: Simplify right side
1,186,992,401.43x = 1,408,952,454,306,560,256 - Step 5: Solve for x
x = 1,408,952,454,306,560,256/1,186,992,401.43 - Step 6: Final answer
x = 1,186,993,659.44
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1.5x scale
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.