Finding the Fourth Proportional to 324,292,688.40, 447,524,341.56 and 175,614,066.12
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Solution
The fourth proportional to 324,292,688.40, 447,524,341.56 and 175,614,066.12 is: 242,347,644.95
Step by Step Solution
- Step 1: Write the proportion equation
324,292,688.40 : 447,524,341.56 = 175,614,066.12 : x - Step 2: Convert to fraction form
324,292,688.40/447,524,341.56 = 175,614,066.12/x - Step 3: Cross multiply
324,292,688.40x = 447,524,341.56 × 175,614,066.12 - Step 4: Simplify right side
324,292,688.40x = 78,591,569,309,027,312 - Step 5: Solve for x
x = 78,591,569,309,027,312/324,292,688.40 - Step 6: Final answer
x = 242,347,644.95
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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.