Finding the Fourth Proportional to 880,590,933.95, 1,215,216,270.68 and 484,120,668.96
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Solution
The fourth proportional to 880,590,933.95, 1,215,216,270.68 and 484,120,668.96 is: 668,086,952.99
Step by Step Solution
- Step 1: Write the proportion equation
880,590,933.95 : 1,215,216,270.68 = 484,120,668.96 : x - Step 2: Convert to fraction form
880,590,933.95/1,215,216,270.68 = 484,120,668.96/x - Step 3: Cross multiply
880,590,933.95x = 1,215,216,270.68 × 484,120,668.96 - Step 4: Simplify right side
880,590,933.95x = 588,311,313,890,257,408 - Step 5: Solve for x
x = 588,311,313,890,257,408/880,590,933.95 - Step 6: Final answer
x = 668,086,952.99
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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.