Finding the Fourth Proportional to 448,014,418.21, 618,257,688.68 and 259,880,761.27
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Solution
The fourth proportional to 448,014,418.21, 618,257,688.68 and 259,880,761.27 is: 358,634,169.49
Step by Step Solution
- Step 1: Write the proportion equation
448,014,418.21 : 618,257,688.68 = 259,880,761.27 : x - Step 2: Convert to fraction form
448,014,418.21/618,257,688.68 = 259,880,761.27/x - Step 3: Cross multiply
448,014,418.21x = 618,257,688.68 × 259,880,761.27 - Step 4: Simplify right side
448,014,418.21x = 160,673,278,794,293,120 - Step 5: Solve for x
x = 160,673,278,794,293,120/448,014,418.21 - Step 6: Final answer
x = 358,634,169.49
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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.