Finding the Fourth Proportional to 873,758,455.38, 1,205,786,622.06 and 471,872,170.31
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Solution
The fourth proportional to 873,758,455.38, 1,205,786,622.06 and 471,872,170.31 is: 651,183,569.98
Step by Step Solution
- Step 1: Write the proportion equation
873,758,455.38 : 1,205,786,622.06 = 471,872,170.31 : x - Step 2: Convert to fraction form
873,758,455.38/1,205,786,622.06 = 471,872,170.31/x - Step 3: Cross multiply
873,758,455.38x = 1,205,786,622.06 × 471,872,170.31 - Step 4: Simplify right side
873,758,455.38x = 568,977,150,276,186,944 - Step 5: Solve for x
x = 568,977,150,276,186,944/873,758,455.38 - Step 6: Final answer
x = 651,183,569.98
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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.