Finding the Fourth Proportional to 804,844,813.70, 1,207,267,220.55 and 294,440,615.30
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Solution
The fourth proportional to 804,844,813.70, 1,207,267,220.55 and 294,440,615.30 is: 441,660,922.95
Step by Step Solution
- Step 1: Write the proportion equation
804,844,813.70 : 1,207,267,220.55 = 294,440,615.30 : x - Step 2: Convert to fraction form
804,844,813.70/1,207,267,220.55 = 294,440,615.30/x - Step 3: Cross multiply
804,844,813.70x = 1,207,267,220.55 × 294,440,615.30 - Step 4: Simplify right side
804,844,813.70x = 355,468,503,250,262,784 - Step 5: Solve for x
x = 355,468,503,250,262,784/804,844,813.70 - Step 6: Final answer
x = 441,660,922.95
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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.