Finding the Fourth Proportional to 1,847,885,104.62, 2,772,177,246.45 and 742,576,004.46
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Solution
The fourth proportional to 1,847,885,104.62, 2,772,177,246.45 and 742,576,004.46 is: 1,114,004,489.88
Step by Step Solution
- Step 1: Write the proportion equation
1,847,885,104.62 : 2,772,177,246.45 = 742,576,004.46 : x - Step 2: Convert to fraction form
1,847,885,104.62/2,772,177,246.45 = 742,576,004.46/x - Step 3: Cross multiply
1,847,885,104.62x = 2,772,177,246.45 × 742,576,004.46 - Step 4: Simplify right side
1,847,885,104.62x = 2,058,552,303,323,765,760 - Step 5: Solve for x
x = 2,058,552,303,323,765,760/1,847,885,104.62 - Step 6: Final answer
x = 1,114,004,489.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.