Finding the Fourth Proportional to 2,171,115,357.81, 3,258,050,433.36 and 927,555,176.98
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Solution
The fourth proportional to 2,171,115,357.81, 3,258,050,433.36 and 927,555,176.98 is: 1,391,921,224.02
Step by Step Solution
- Step 1: Write the proportion equation
2,171,115,357.81 : 3,258,050,433.36 = 927,555,176.98 : x - Step 2: Convert to fraction form
2,171,115,357.81/3,258,050,433.36 = 927,555,176.98/x - Step 3: Cross multiply
2,171,115,357.81x = 3,258,050,433.36 × 927,555,176.98 - Step 4: Simplify right side
2,171,115,357.81x = 3,022,021,546,325,580,800 - Step 5: Solve for x
x = 3,022,021,546,325,580,800/2,171,115,357.81 - Step 6: Final answer
x = 1,391,921,224.02
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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.