Finding the Fourth Proportional to 804,069,928.80, 1,206,104,893.20 and 722,440,591.20
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Solution
The fourth proportional to 804,069,928.80, 1,206,104,893.20 and 722,440,591.20 is: 1,083,660,886.80
Step by Step Solution
- Step 1: Write the proportion equation
804,069,928.80 : 1,206,104,893.20 = 722,440,591.20 : x - Step 2: Convert to fraction form
804,069,928.80/1,206,104,893.20 = 722,440,591.20/x - Step 3: Cross multiply
804,069,928.80x = 1,206,104,893.20 × 722,440,591.20 - Step 4: Simplify right side
804,069,928.80x = 871,339,132,092,620,928 - Step 5: Solve for x
x = 871,339,132,092,620,928/804,069,928.80 - Step 6: Final answer
x = 1,083,660,886.80
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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.