Finding the Fourth Proportional to 2,979,854,157.99, 4,469,632,651.83 and 1,114,362,704.97
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Solution
The fourth proportional to 2,979,854,157.99, 4,469,632,651.83 and 1,114,362,704.97 is: 1,671,488,491.73
Step by Step Solution
- Step 1: Write the proportion equation
2,979,854,157.99 : 4,469,632,651.83 = 1,114,362,704.97 : x - Step 2: Convert to fraction form
2,979,854,157.99/4,469,632,651.83 = 1,114,362,704.97/x - Step 3: Cross multiply
2,979,854,157.99x = 4,469,632,651.83 × 1,114,362,704.97 - Step 4: Simplify right side
2,979,854,157.99x = 4,980,791,932,115,513,344 - Step 5: Solve for x
x = 4,980,791,932,115,513,344/2,979,854,157.99 - Step 6: Final answer
x = 1,671,488,491.73
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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.