Finding the Fourth Proportional to 4,227,288,998.40, 6,320,526,163.20 and 3,125,292,940.80
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Solution
The fourth proportional to 4,227,288,998.40, 6,320,526,163.20 and 3,125,292,940.80 is: 4,672,851,987.99
Step by Step Solution
- Step 1: Write the proportion equation
4,227,288,998.40 : 6,320,526,163.20 = 3,125,292,940.80 : x - Step 2: Convert to fraction form
4,227,288,998.40/6,320,526,163.20 = 3,125,292,940.80/x - Step 3: Cross multiply
4,227,288,998.40x = 6,320,526,163.20 × 3,125,292,940.80 - Step 4: Simplify right side
4,227,288,998.40x = 19,753,495,799,990,669,312 - Step 5: Solve for x
x = 19,753,495,799,990,669,312/4,227,288,998.40 - Step 6: Final answer
x = 4,672,851,987.99
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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.