Finding the Fourth Proportional to 1,151,285,862.92, 1,588,774,491.70 and 622,649,846.14
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Solution
The fourth proportional to 1,151,285,862.92, 1,588,774,491.70 and 622,649,846.14 is: 859,256,788.14
Step by Step Solution
- Step 1: Write the proportion equation
1,151,285,862.92 : 1,588,774,491.70 = 622,649,846.14 : x - Step 2: Convert to fraction form
1,151,285,862.92/1,588,774,491.70 = 622,649,846.14/x - Step 3: Cross multiply
1,151,285,862.92x = 1,588,774,491.70 × 622,649,846.14 - Step 4: Simplify right side
1,151,285,862.92x = 989,250,192,802,633,216 - Step 5: Solve for x
x = 989,250,192,802,633,216/1,151,285,862.92 - Step 6: Final answer
x = 859,256,788.14
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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.