Finding the Fourth Proportional to 1,593,236,705,694.50, 2,198,673,278,188.20 and 861,625,112,273.85
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Solution
The fourth proportional to 1,593,236,705,694.50, 2,198,673,278,188.20 and 861,625,112,273.85 is: 1,189,046,237,386.70
Step by Step Solution
- Step 1: Write the proportion equation
1,593,236,705,694.50 : 2,198,673,278,188.20 = 861,625,112,273.85 : x - Step 2: Convert to fraction form
1,593,236,705,694.50/2,198,673,278,188.20 = 861,625,112,273.85/x - Step 3: Cross multiply
1,593,236,705,694.50x = 2,198,673,278,188.20 × 861,625,112,273.85 - Step 4: Simplify right side
1,593,236,705,694.50x = 1,894,432,110,172,421,566,234,624 - Step 5: Solve for x
x = 1,894,432,110,172,421,566,234,624/1,593,236,705,694.50 - Step 6: Final answer
x = 1,189,046,237,386.70
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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.