Finding the Fourth Proportional to 454,755,629.80, 682,133,444.70 and 442,001,045.80
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Solution
The fourth proportional to 454,755,629.80, 682,133,444.70 and 442,001,045.80 is: 663,001,568.70
Step by Step Solution
- Step 1: Write the proportion equation
454,755,629.80 : 682,133,444.70 = 442,001,045.80 : x - Step 2: Convert to fraction form
454,755,629.80/682,133,444.70 = 442,001,045.80/x - Step 3: Cross multiply
454,755,629.80x = 682,133,444.70 × 442,001,045.80 - Step 4: Simplify right side
454,755,629.80x = 301,503,695,932,556,480 - Step 5: Solve for x
x = 301,503,695,932,556,480/454,755,629.80 - Step 6: Final answer
x = 663,001,568.70
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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.