Finding the Fourth Proportional to 1,226,579,458.20, 1,839,869,187.30 and 1,104,135,451.80
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Solution
The fourth proportional to 1,226,579,458.20, 1,839,869,187.30 and 1,104,135,451.80 is: 1,656,203,177.70
Step by Step Solution
- Step 1: Write the proportion equation
1,226,579,458.20 : 1,839,869,187.30 = 1,104,135,451.80 : x - Step 2: Convert to fraction form
1,226,579,458.20/1,839,869,187.30 = 1,104,135,451.80/x - Step 3: Cross multiply
1,226,579,458.20x = 1,839,869,187.30 × 1,104,135,451.80 - Step 4: Simplify right side
1,226,579,458.20x = 2,031,464,796,372,384,256 - Step 5: Solve for x
x = 2,031,464,796,372,384,256/1,226,579,458.20 - Step 6: Final answer
x = 1,656,203,177.70
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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.