Finding the Fourth Proportional to 1,067,193,270.36, 1,472,391,125.82 and 597,219,917.40
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Solution
The fourth proportional to 1,067,193,270.36, 1,472,391,125.82 and 597,219,917.40 is: 823,975,685.53
Step by Step Solution
- Step 1: Write the proportion equation
1,067,193,270.36 : 1,472,391,125.82 = 597,219,917.40 : x - Step 2: Convert to fraction form
1,067,193,270.36/1,472,391,125.82 = 597,219,917.40/x - Step 3: Cross multiply
1,067,193,270.36x = 1,472,391,125.82 × 597,219,917.40 - Step 4: Simplify right side
1,067,193,270.36x = 879,341,306,542,713,344 - Step 5: Solve for x
x = 879,341,306,542,713,344/1,067,193,270.36 - Step 6: Final answer
x = 823,975,685.53
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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.