Finding the Fourth Proportional to 2,122,399,386.20, 3,183,896,749.44 and 741,899,901.08
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Solution
The fourth proportional to 2,122,399,386.20, 3,183,896,749.44 and 741,899,901.08 is: 1,112,953,904.35
Step by Step Solution
- Step 1: Write the proportion equation
2,122,399,386.20 : 3,183,896,749.44 = 741,899,901.08 : x - Step 2: Convert to fraction form
2,122,399,386.20/3,183,896,749.44 = 741,899,901.08/x - Step 3: Cross multiply
2,122,399,386.20x = 3,183,896,749.44 × 741,899,901.08 - Step 4: Simplify right side
2,122,399,386.20x = 2,362,132,683,458,469,888 - Step 5: Solve for x
x = 2,362,132,683,458,469,888/2,122,399,386.20 - Step 6: Final answer
x = 1,112,953,904.35
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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.