Finding the Fourth Proportional to 1,761,350,651.22, 2,430,520,139.55 and 1,037,024,247.45
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Solution
The fourth proportional to 1,761,350,651.22, 2,430,520,139.55 and 1,037,024,247.45 is: 1,431,008,820.92
Step by Step Solution
- Step 1: Write the proportion equation
1,761,350,651.22 : 2,430,520,139.55 = 1,037,024,247.45 : x - Step 2: Convert to fraction form
1,761,350,651.22/2,430,520,139.55 = 1,037,024,247.45/x - Step 3: Cross multiply
1,761,350,651.22x = 2,430,520,139.55 × 1,037,024,247.45 - Step 4: Simplify right side
1,761,350,651.22x = 2,520,508,318,628,908,032 - Step 5: Solve for x
x = 2,520,508,318,628,908,032/1,761,350,651.22 - Step 6: Final answer
x = 1,431,008,820.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.