Finding the Fourth Proportional to 422,696,470.28, 583,325,353.86 and 237,053,499.08
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Solution
The fourth proportional to 422,696,470.28, 583,325,353.86 and 237,053,499.08 is: 327,136,198.09
Step by Step Solution
- Step 1: Write the proportion equation
422,696,470.28 : 583,325,353.86 = 237,053,499.08 : x - Step 2: Convert to fraction form
422,696,470.28/583,325,353.86 = 237,053,499.08/x - Step 3: Cross multiply
422,696,470.28x = 583,325,353.86 × 237,053,499.08 - Step 4: Simplify right side
422,696,470.28x = 138,279,316,234,592,192 - Step 5: Solve for x
x = 138,279,316,234,592,192/422,696,470.28 - Step 6: Final answer
x = 327,136,198.09
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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.