Finding the Fourth Proportional to 2,979,551,645.93, 4,467,775,593.77 and 1,405,236,247.21
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Solution
The fourth proportional to 2,979,551,645.93, 4,467,775,593.77 and 1,405,236,247.21 is: 2,107,122,465.00
Step by Step Solution
- Step 1: Write the proportion equation
2,979,551,645.93 : 4,467,775,593.77 = 1,405,236,247.21 : x - Step 2: Convert to fraction form
2,979,551,645.93/4,467,775,593.77 = 1,405,236,247.21/x - Step 3: Cross multiply
2,979,551,645.93x = 4,467,775,593.77 × 1,405,236,247.21 - Step 4: Simplify right side
2,979,551,645.93x = 6,278,280,208,765,785,088 - Step 5: Solve for x
x = 6,278,280,208,765,785,088/2,979,551,645.93 - Step 6: Final answer
x = 2,107,122,465.00
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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.