Finding the Fourth Proportional to 2,979,551,645.68, 4,467,775,593.40 and 1,405,236,246.96
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Solution
The fourth proportional to 2,979,551,645.68, 4,467,775,593.40 and 1,405,236,246.96 is: 2,107,122,464.63
Step by Step Solution
- Step 1: Write the proportion equation
2,979,551,645.68 : 4,467,775,593.40 = 1,405,236,246.96 : x - Step 2: Convert to fraction form
2,979,551,645.68/4,467,775,593.40 = 1,405,236,246.96/x - Step 3: Cross multiply
2,979,551,645.68x = 4,467,775,593.40 × 1,405,236,246.96 - Step 4: Simplify right side
2,979,551,645.68x = 6,278,280,207,136,560,128 - Step 5: Solve for x
x = 6,278,280,207,136,560,128/2,979,551,645.68 - Step 6: Final answer
x = 2,107,122,464.63
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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.