Finding the Fourth Proportional to 417,294,661.20, 625,913,998.20 and 110,580,190.80
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Solution
The fourth proportional to 417,294,661.20, 625,913,998.20 and 110,580,190.80 is: 165,862,868.09
Step by Step Solution
- Step 1: Write the proportion equation
417,294,661.20 : 625,913,998.20 = 110,580,190.80 : x - Step 2: Convert to fraction form
417,294,661.20/625,913,998.20 = 110,580,190.80/x - Step 3: Cross multiply
417,294,661.20x = 625,913,998.20 × 110,580,190.80 - Step 4: Simplify right side
417,294,661.20x = 69,213,689,345,346,856 - Step 5: Solve for x
x = 69,213,689,345,346,856/417,294,661.20 - Step 6: Final answer
x = 165,862,868.09
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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.