Finding the Fourth Proportional to 1,010,369,917.92, 1,394,310,469.68 and 546,795,901.92
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Solution
The fourth proportional to 1,010,369,917.92, 1,394,310,469.68 and 546,795,901.92 is: 754,578,335.42
Step by Step Solution
- Step 1: Write the proportion equation
1,010,369,917.92 : 1,394,310,469.68 = 546,795,901.92 : x - Step 2: Convert to fraction form
1,010,369,917.92/1,394,310,469.68 = 546,795,901.92/x - Step 3: Cross multiply
1,010,369,917.92x = 1,394,310,469.68 × 546,795,901.92 - Step 4: Simplify right side
1,010,369,917.92x = 762,403,250,825,174,400 - Step 5: Solve for x
x = 762,403,250,825,174,400/1,010,369,917.92 - Step 6: Final answer
x = 754,578,335.42
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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.