Finding the Fourth Proportional to 323,688,677.28, 446,724,990.72 and 198,324,070.08
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Solution
The fourth proportional to 323,688,677.28, 446,724,990.72 and 198,324,070.08 is: 273,708,425.98
Step by Step Solution
- Step 1: Write the proportion equation
323,688,677.28 : 446,724,990.72 = 198,324,070.08 : x - Step 2: Convert to fraction form
323,688,677.28/446,724,990.72 = 198,324,070.08/x - Step 3: Cross multiply
323,688,677.28x = 446,724,990.72 × 198,324,070.08 - Step 4: Simplify right side
323,688,677.28x = 88,596,318,366,040,640 - Step 5: Solve for x
x = 88,596,318,366,040,640/323,688,677.28 - Step 6: Final answer
x = 273,708,425.98
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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.