Finding the Fourth Proportional to 1,474,351,516.56, 2,034,591,661.78 and 805,296,384.09
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Solution
The fourth proportional to 1,474,351,516.56, 2,034,591,661.78 and 805,296,384.09 is: 1,111,301,673.94
Step by Step Solution
- Step 1: Write the proportion equation
1,474,351,516.56 : 2,034,591,661.78 = 805,296,384.09 : x - Step 2: Convert to fraction form
1,474,351,516.56/2,034,591,661.78 = 805,296,384.09/x - Step 3: Cross multiply
1,474,351,516.56x = 2,034,591,661.78 × 805,296,384.09 - Step 4: Simplify right side
1,474,351,516.56x = 1,638,449,308,331,098,368 - Step 5: Solve for x
x = 1,638,449,308,331,098,368/1,474,351,516.56 - Step 6: Final answer
x = 1,111,301,673.94
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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.