Finding the Fourth Proportional to 696,173,694.57, 960,737,870.36 and 382,916,128.82
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Solution
The fourth proportional to 696,173,694.57, 960,737,870.36 and 382,916,128.82 is: 528,434,252.82
Step by Step Solution
- Step 1: Write the proportion equation
696,173,694.57 : 960,737,870.36 = 382,916,128.82 : x - Step 2: Convert to fraction form
696,173,694.57/960,737,870.36 = 382,916,128.82/x - Step 3: Cross multiply
696,173,694.57x = 960,737,870.36 × 382,916,128.82 - Step 4: Simplify right side
696,173,694.57x = 367,882,026,125,175,808 - Step 5: Solve for x
x = 367,882,026,125,175,808/696,173,694.57 - Step 6: Final answer
x = 528,434,252.82
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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.