Finding the Fourth Proportional to 2,848,296,806.46, 3,930,597,568.17 and 1,578,133,156.14
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Solution
The fourth proportional to 2,848,296,806.46, 3,930,597,568.17 and 1,578,133,156.14 is: 2,177,794,930.54
Step by Step Solution
- Step 1: Write the proportion equation
2,848,296,806.46 : 3,930,597,568.17 = 1,578,133,156.14 : x - Step 2: Convert to fraction form
2,848,296,806.46/3,930,597,568.17 = 1,578,133,156.14/x - Step 3: Cross multiply
2,848,296,806.46x = 3,930,597,568.17 × 1,578,133,156.14 - Step 4: Simplify right side
2,848,296,806.46x = 6,203,006,345,772,331,008 - Step 5: Solve for x
x = 6,203,006,345,772,331,008/2,848,296,806.46 - Step 6: Final answer
x = 2,177,794,930.54
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Double scale
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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.