Finding the Fourth Proportional to 804,187,122.26, 1,205,589,808.80 and 279,488,052.74
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Solution
The fourth proportional to 804,187,122.26, 1,205,589,808.80 and 279,488,052.74 is: 418,991,971.82
Step by Step Solution
- Step 1: Write the proportion equation
804,187,122.26 : 1,205,589,808.80 = 279,488,052.74 : x - Step 2: Convert to fraction form
804,187,122.26/1,205,589,808.80 = 279,488,052.74/x - Step 3: Cross multiply
804,187,122.26x = 1,205,589,808.80 × 279,488,052.74 - Step 4: Simplify right side
804,187,122.26x = 336,947,948,064,700,928 - Step 5: Solve for x
x = 336,947,948,064,700,928/804,187,122.26 - Step 6: Final answer
x = 418,991,971.82
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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.