Finding the Fourth Proportional to 382,677,463.64, 527,812,954.70 and 288,595,575.44
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Solution
The fourth proportional to 382,677,463.64, 527,812,954.70 and 288,595,575.44 is: 398,049,265.66
Step by Step Solution
- Step 1: Write the proportion equation
382,677,463.64 : 527,812,954.70 = 288,595,575.44 : x - Step 2: Convert to fraction form
382,677,463.64/527,812,954.70 = 288,595,575.44/x - Step 3: Cross multiply
382,677,463.64x = 527,812,954.70 × 288,595,575.44 - Step 4: Simplify right side
382,677,463.64x = 152,324,483,386,333,152 - Step 5: Solve for x
x = 152,324,483,386,333,152/382,677,463.64 - Step 6: Final answer
x = 398,049,265.66
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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.