Finding the Fourth Proportional to 4,935,508,816.68, 7,403,002,486.47 and 1,618,886,509.47
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Solution
The fourth proportional to 4,935,508,816.68, 7,403,002,486.47 and 1,618,886,509.47 is: 2,428,244,239.87
Step by Step Solution
- Step 1: Write the proportion equation
4,935,508,816.68 : 7,403,002,486.47 = 1,618,886,509.47 : x - Step 2: Convert to fraction form
4,935,508,816.68/7,403,002,486.47 = 1,618,886,509.47/x - Step 3: Cross multiply
4,935,508,816.68x = 7,403,002,486.47 × 1,618,886,509.47 - Step 4: Simplify right side
4,935,508,816.68x = 11,984,620,854,919,149,568 - Step 5: Solve for x
x = 11,984,620,854,919,149,568/4,935,508,816.68 - Step 6: Final answer
x = 2,428,244,239.87
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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.