Finding the Fourth Proportional to 956,632,251.11, 1,434,948,395.49 and 229,620,963.11
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Solution
The fourth proportional to 956,632,251.11, 1,434,948,395.49 and 229,620,963.11 is: 344,431,449.18
Step by Step Solution
- Step 1: Write the proportion equation
956,632,251.11 : 1,434,948,395.49 = 229,620,963.11 : x - Step 2: Convert to fraction form
956,632,251.11/1,434,948,395.49 = 229,620,963.11/x - Step 3: Cross multiply
956,632,251.11x = 1,434,948,395.49 × 229,620,963.11 - Step 4: Simplify right side
956,632,251.11x = 329,494,232,578,388,224 - Step 5: Solve for x
x = 329,494,232,578,388,224/956,632,251.11 - Step 6: Final answer
x = 344,431,449.18
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Double scale
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Similar ratio
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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.