Finding the Fourth Proportional to 324,210,542.18, 447,405,206.94 and 175,530,474.59
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Solution
The fourth proportional to 324,210,542.18, 447,405,206.94 and 175,530,474.59 is: 242,229,163.12
Step by Step Solution
- Step 1: Write the proportion equation
324,210,542.18 : 447,405,206.94 = 175,530,474.59 : x - Step 2: Convert to fraction form
324,210,542.18/447,405,206.94 = 175,530,474.59/x - Step 3: Cross multiply
324,210,542.18x = 447,405,206.94 × 175,530,474.59 - Step 4: Simplify right side
324,210,542.18x = 78,533,248,305,978,336 - Step 5: Solve for x
x = 78,533,248,305,978,336/324,210,542.18 - Step 6: Final answer
x = 242,229,163.12
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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.