Finding the Fourth Proportional to 995,888,712.68, 1,493,838,757.09 and 413,622,958.52
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Solution
The fourth proportional to 995,888,712.68, 1,493,838,757.09 and 413,622,958.52 is: 620,436,800.21
Step by Step Solution
- Step 1: Write the proportion equation
995,888,712.68 : 1,493,838,757.09 = 413,622,958.52 : x - Step 2: Convert to fraction form
995,888,712.68/1,493,838,757.09 = 413,622,958.52/x - Step 3: Cross multiply
995,888,712.68x = 1,493,838,757.09 × 413,622,958.52 - Step 4: Simplify right side
995,888,712.68x = 617,886,006,259,405,312 - Step 5: Solve for x
x = 617,886,006,259,405,312/995,888,712.68 - Step 6: Final answer
x = 620,436,800.21
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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.