Finding the Fourth Proportional to 914,114,805.96, 1,370,988,883.66 and 447,575,217.96
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Solution
The fourth proportional to 914,114,805.96, 1,370,988,883.66 and 447,575,217.96 is: 671,273,065.95
Step by Step Solution
- Step 1: Write the proportion equation
914,114,805.96 : 1,370,988,883.66 = 447,575,217.96 : x - Step 2: Convert to fraction form
914,114,805.96/1,370,988,883.66 = 447,575,217.96/x - Step 3: Cross multiply
914,114,805.96x = 1,370,988,883.66 × 447,575,217.96 - Step 4: Simplify right side
914,114,805.96x = 613,620,648,424,861,568 - Step 5: Solve for x
x = 613,620,648,424,861,568/914,114,805.96 - Step 6: Final answer
x = 671,273,065.95
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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.