Finding the Fourth Proportional to 804,069,900.80, 1,206,104,851.20 and 722,440,563.20
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Solution
The fourth proportional to 804,069,900.80, 1,206,104,851.20 and 722,440,563.20 is: 1,083,660,844.80
Step by Step Solution
- Step 1: Write the proportion equation
804,069,900.80 : 1,206,104,851.20 = 722,440,563.20 : x - Step 2: Convert to fraction form
804,069,900.80/1,206,104,851.20 = 722,440,563.20/x - Step 3: Cross multiply
804,069,900.80x = 1,206,104,851.20 × 722,440,563.20 - Step 4: Simplify right side
804,069,900.80x = 871,339,067,979,180,288 - Step 5: Solve for x
x = 871,339,067,979,180,288/804,069,900.80 - Step 6: Final answer
x = 1,083,660,844.80
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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.