Finding the Fourth Proportional to 237,482,344,823.30, 327,723,307,577.70 and 129,088,992,928.56
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Solution
The fourth proportional to 237,482,344,823.30, 327,723,307,577.70 and 129,088,992,928.56 is: 178,141,544,652.09
Step by Step Solution
- Step 1: Write the proportion equation
237,482,344,823.30 : 327,723,307,577.70 = 129,088,992,928.56 : x - Step 2: Convert to fraction form
237,482,344,823.30/327,723,307,577.70 = 129,088,992,928.56/x - Step 3: Cross multiply
237,482,344,823.30x = 327,723,307,577.70 × 129,088,992,928.56 - Step 4: Simplify right side
237,482,344,823.30x = 42,305,471,734,422,007,971,840 - Step 5: Solve for x
x = 42,305,471,734,422,007,971,840/237,482,344,823.30 - Step 6: Final answer
x = 178,141,544,652.09
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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.