Finding the Fourth Proportional to 773,304,175.36, 1,067,182,423.20 and 420,902,991.04
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Solution
The fourth proportional to 773,304,175.36, 1,067,182,423.20 and 420,902,991.04 is: 580,858,461.94
Step by Step Solution
- Step 1: Write the proportion equation
773,304,175.36 : 1,067,182,423.20 = 420,902,991.04 : x - Step 2: Convert to fraction form
773,304,175.36/1,067,182,423.20 = 420,902,991.04/x - Step 3: Cross multiply
773,304,175.36x = 1,067,182,423.20 × 420,902,991.04 - Step 4: Simplify right side
773,304,175.36x = 449,180,273,910,195,136 - Step 5: Solve for x
x = 449,180,273,910,195,136/773,304,175.36 - Step 6: Final answer
x = 580,858,461.94
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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.