Finding the Fourth Proportional to 1,619,024,239.12, 2,234,254,198.64 and 876,468,302.68
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Solution
The fourth proportional to 1,619,024,239.12, 2,234,254,198.64 and 876,468,302.68 is: 1,209,526,662.99
Step by Step Solution
- Step 1: Write the proportion equation
1,619,024,239.12 : 2,234,254,198.64 = 876,468,302.68 : x - Step 2: Convert to fraction form
1,619,024,239.12/2,234,254,198.64 = 876,468,302.68/x - Step 3: Cross multiply
1,619,024,239.12x = 2,234,254,198.64 × 876,468,302.68 - Step 4: Simplify right side
1,619,024,239.12x = 1,958,252,985,237,664,256 - Step 5: Solve for x
x = 1,958,252,985,237,664,256/1,619,024,239.12 - Step 6: Final answer
x = 1,209,526,662.99
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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.