Finding the Fourth Proportional to 3,697,811,642.98, 5,543,245,324.74 and 1,242,431,401.06
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Solution
The fourth proportional to 3,697,811,642.98, 5,543,245,324.74 and 1,242,431,401.06 is: 1,862,480,493.92
Step by Step Solution
- Step 1: Write the proportion equation
3,697,811,642.98 : 5,543,245,324.74 = 1,242,431,401.06 : x - Step 2: Convert to fraction form
3,697,811,642.98/5,543,245,324.74 = 1,242,431,401.06/x - Step 3: Cross multiply
3,697,811,642.98x = 5,543,245,324.74 × 1,242,431,401.06 - Step 4: Simplify right side
3,697,811,642.98x = 6,887,102,055,236,012,032 - Step 5: Solve for x
x = 6,887,102,055,236,012,032/3,697,811,642.98 - Step 6: Final answer
x = 1,862,480,493.92
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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.