Finding the Fourth Proportional to 2,216,072,725.96, 3,058,183,338.90 and 1,212,584,572.36
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Solution
The fourth proportional to 2,216,072,725.96, 3,058,183,338.90 and 1,212,584,572.36 is: 1,673,368,338.84
Step by Step Solution
- Step 1: Write the proportion equation
2,216,072,725.96 : 3,058,183,338.90 = 1,212,584,572.36 : x - Step 2: Convert to fraction form
2,216,072,725.96/3,058,183,338.90 = 1,212,584,572.36/x - Step 3: Cross multiply
2,216,072,725.96x = 3,058,183,338.90 × 1,212,584,572.36 - Step 4: Simplify right side
2,216,072,725.96x = 3,708,305,936,198,533,120 - Step 5: Solve for x
x = 3,708,305,936,198,533,120/2,216,072,725.96 - Step 6: Final answer
x = 1,673,368,338.84
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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.