Finding the Fourth Proportional to 440,747,341.20, 661,121,011.80 and 413,873,485.20
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Solution
The fourth proportional to 440,747,341.20, 661,121,011.80 and 413,873,485.20 is: 620,810,227.80
Step by Step Solution
- Step 1: Write the proportion equation
440,747,341.20 : 661,121,011.80 = 413,873,485.20 : x - Step 2: Convert to fraction form
440,747,341.20/661,121,011.80 = 413,873,485.20/x - Step 3: Cross multiply
440,747,341.20x = 661,121,011.80 × 413,873,485.20 - Step 4: Simplify right side
440,747,341.20x = 273,620,457,292,616,288 - Step 5: Solve for x
x = 273,620,457,292,616,288/440,747,341.20 - Step 6: Final answer
x = 620,810,227.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.