Finding the Fourth Proportional to 2,186,563,324.89, 3,019,541,371.92 and 2,067,440,749.49
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Solution
The fourth proportional to 2,186,563,324.89, 3,019,541,371.92 and 2,067,440,749.49 is: 2,855,038,683.77
Step by Step Solution
- Step 1: Write the proportion equation
2,186,563,324.89 : 3,019,541,371.92 = 2,067,440,749.49 : x - Step 2: Convert to fraction form
2,186,563,324.89/3,019,541,371.92 = 2,067,440,749.49/x - Step 3: Cross multiply
2,186,563,324.89x = 3,019,541,371.92 × 2,067,440,749.49 - Step 4: Simplify right side
2,186,563,324.89x = 6,242,722,877,078,347,776 - Step 5: Solve for x
x = 6,242,722,877,078,347,776/2,186,563,324.89 - Step 6: Final answer
x = 2,855,038,683.77
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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.