Finding the Fourth Proportional to 579,402,821.80, 869,104,232.70 and 307,305,029.80
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Solution
The fourth proportional to 579,402,821.80, 869,104,232.70 and 307,305,029.80 is: 460,957,544.70
Step by Step Solution
- Step 1: Write the proportion equation
579,402,821.80 : 869,104,232.70 = 307,305,029.80 : x - Step 2: Convert to fraction form
579,402,821.80/869,104,232.70 = 307,305,029.80/x - Step 3: Cross multiply
579,402,821.80x = 869,104,232.70 × 307,305,029.80 - Step 4: Simplify right side
579,402,821.80x = 267,080,102,129,179,648 - Step 5: Solve for x
x = 267,080,102,129,179,648/579,402,821.80 - Step 6: Final answer
x = 460,957,544.70
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Similar ratio
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1.5x scale
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.