Finding the Fourth Proportional to 3,903,818,205.05, 5,387,269,122.97 and 2,233,067,346.24
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Solution
The fourth proportional to 3,903,818,205.05, 5,387,269,122.97 and 2,233,067,346.24 is: 3,081,632,937.81
Step by Step Solution
- Step 1: Write the proportion equation
3,903,818,205.05 : 5,387,269,122.97 = 2,233,067,346.24 : x - Step 2: Convert to fraction form
3,903,818,205.05/5,387,269,122.97 = 2,233,067,346.24/x - Step 3: Cross multiply
3,903,818,205.05x = 5,387,269,122.97 × 2,233,067,346.24 - Step 4: Simplify right side
3,903,818,205.05x = 12,030,134,763,911,309,312 - Step 5: Solve for x
x = 12,030,134,763,911,309,312/3,903,818,205.05 - Step 6: Final answer
x = 3,081,632,937.81
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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.