Finding the Fourth Proportional to 1,719,252,649.13, 2,372,576,690.40 and 976,737,455.69
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Solution
The fourth proportional to 1,719,252,649.13, 2,372,576,690.40 and 976,737,455.69 is: 1,347,902,253.45
Step by Step Solution
- Step 1: Write the proportion equation
1,719,252,649.13 : 2,372,576,690.40 = 976,737,455.69 : x - Step 2: Convert to fraction form
1,719,252,649.13/2,372,576,690.40 = 976,737,455.69/x - Step 3: Cross multiply
1,719,252,649.13x = 2,372,576,690.40 × 976,737,455.69 - Step 4: Simplify right side
1,719,252,649.13x = 2,317,384,520,010,697,216 - Step 5: Solve for x
x = 2,317,384,520,010,697,216/1,719,252,649.13 - Step 6: Final answer
x = 1,347,902,253.45
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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.