Finding the Fourth Proportional to 362,135,901.98, 499,759,615.67 and 203,393,998.92
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Solution
The fourth proportional to 362,135,901.98, 499,759,615.67 and 203,393,998.92 is: 280,690,498.17
Step by Step Solution
- Step 1: Write the proportion equation
362,135,901.98 : 499,759,615.67 = 203,393,998.92 : x - Step 2: Convert to fraction form
362,135,901.98/499,759,615.67 = 203,393,998.92/x - Step 3: Cross multiply
362,135,901.98x = 499,759,615.67 × 203,393,998.92 - Step 4: Simplify right side
362,135,901.98x = 101,648,106,732,415,344 - Step 5: Solve for x
x = 101,648,106,732,415,344/362,135,901.98 - Step 6: Final answer
x = 280,690,498.17
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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.