Finding the Fourth Proportional to 1,788,388,286.36, 2,467,975,953.74 and 995,417,247.83
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Solution
The fourth proportional to 1,788,388,286.36, 2,467,975,953.74 and 995,417,247.83 is: 1,373,675,867.99
Step by Step Solution
- Step 1: Write the proportion equation
1,788,388,286.36 : 2,467,975,953.74 = 995,417,247.83 : x - Step 2: Convert to fraction form
1,788,388,286.36/2,467,975,953.74 = 995,417,247.83/x - Step 3: Cross multiply
1,788,388,286.36x = 2,467,975,953.74 × 995,417,247.83 - Step 4: Simplify right side
1,788,388,286.36x = 2,456,665,831,565,173,248 - Step 5: Solve for x
x = 2,456,665,831,565,173,248/1,788,388,286.36 - Step 6: Final answer
x = 1,373,675,867.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.