Finding the Fourth Proportional to 440,043,099.21, 606,652,686.86 and 351,037,137.51
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Solution
The fourth proportional to 440,043,099.21, 606,652,686.86 and 351,037,137.51 is: 483,947,192.99
Step by Step Solution
- Step 1: Write the proportion equation
440,043,099.21 : 606,652,686.86 = 351,037,137.51 : x - Step 2: Convert to fraction form
440,043,099.21/606,652,686.86 = 351,037,137.51/x - Step 3: Cross multiply
440,043,099.21x = 606,652,686.86 × 351,037,137.51 - Step 4: Simplify right side
440,043,099.21x = 212,957,622,656,329,600 - Step 5: Solve for x
x = 212,957,622,656,329,600/440,043,099.21 - Step 6: Final answer
x = 483,947,192.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.