Finding the Fourth Proportional to 408,188,684.21, 563,348,206.49 and 232,003,163.39
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Solution
The fourth proportional to 408,188,684.21, 563,348,206.49 and 232,003,163.39 is: 320,191,546.33
Step by Step Solution
- Step 1: Write the proportion equation
408,188,684.21 : 563,348,206.49 = 232,003,163.39 : x - Step 2: Convert to fraction form
408,188,684.21/563,348,206.49 = 232,003,163.39/x - Step 3: Cross multiply
408,188,684.21x = 563,348,206.49 × 232,003,163.39 - Step 4: Simplify right side
408,188,684.21x = 130,698,565,991,786,176 - Step 5: Solve for x
x = 130,698,565,991,786,176/408,188,684.21 - Step 6: Final answer
x = 320,191,546.33
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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.