Finding the Fourth Proportional to 880,590,982.44, 1,215,216,337.50 and 484,120,717.44
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Solution
The fourth proportional to 880,590,982.44, 1,215,216,337.50 and 484,120,717.44 is: 668,087,019.84
Step by Step Solution
- Step 1: Write the proportion equation
880,590,982.44 : 1,215,216,337.50 = 484,120,717.44 : x - Step 2: Convert to fraction form
880,590,982.44/1,215,216,337.50 = 484,120,717.44/x - Step 3: Cross multiply
880,590,982.44x = 1,215,216,337.50 × 484,120,717.44 - Step 4: Simplify right side
880,590,982.44x = 588,311,405,155,309,184 - Step 5: Solve for x
x = 588,311,405,155,309,184/880,590,982.44 - Step 6: Final answer
x = 668,087,019.84
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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.