Finding the Fourth Proportional to 754,119,438.36, 1,040,668,513.56 and 436,593,074.64
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Solution
The fourth proportional to 754,119,438.36, 1,040,668,513.56 and 436,593,074.64 is: 602,488,999.63
Step by Step Solution
- Step 1: Write the proportion equation
754,119,438.36 : 1,040,668,513.56 = 436,593,074.64 : x - Step 2: Convert to fraction form
754,119,438.36/1,040,668,513.56 = 436,593,074.64/x - Step 3: Cross multiply
754,119,438.36x = 1,040,668,513.56 × 436,593,074.64 - Step 4: Simplify right side
754,119,438.36x = 454,348,666,016,198,912 - Step 5: Solve for x
x = 454,348,666,016,198,912/754,119,438.36 - Step 6: Final answer
x = 602,488,999.63
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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.