Finding the Fourth Proportional to 766,696,635, 1,149,584,632.74 and 351,653,548.68
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Solution
The fourth proportional to 766,696,635, 1,149,584,632.74 and 351,653,548.68 is: 527,269,192.48
Step by Step Solution
- Step 1: Write the proportion equation
766,696,635 : 1,149,584,632.74 = 351,653,548.68 : x - Step 2: Convert to fraction form
766,696,635/1,149,584,632.74 = 351,653,548.68/x - Step 3: Cross multiply
766,696,635x = 1,149,584,632.74 × 351,653,548.68 - Step 4: Simplify right side
766,696,635x = 404,255,515,611,015,552 - Step 5: Solve for x
x = 404,255,515,611,015,552/766,696,635 - Step 6: Final answer
x = 527,269,192.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.