Finding the Fourth Proportional to 3,697,811,641.98, 5,543,245,323.24 and 1,242,431,400.06
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Solution
The fourth proportional to 3,697,811,641.98, 5,543,245,323.24 and 1,242,431,400.06 is: 1,862,480,492.42
Step by Step Solution
- Step 1: Write the proportion equation
3,697,811,641.98 : 5,543,245,323.24 = 1,242,431,400.06 : x - Step 2: Convert to fraction form
3,697,811,641.98/5,543,245,323.24 = 1,242,431,400.06/x - Step 3: Cross multiply
3,697,811,641.98x = 5,543,245,323.24 × 1,242,431,400.06 - Step 4: Simplify right side
3,697,811,641.98x = 6,887,102,047,829,120,000 - Step 5: Solve for x
x = 6,887,102,047,829,120,000/3,697,811,641.98 - Step 6: Final answer
x = 1,862,480,492.42
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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.