Finding the Fourth Proportional to 4,218,286,265.28, 6,323,000,124.96 and 1,419,283,137.60
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Solution
The fourth proportional to 4,218,286,265.28, 6,323,000,124.96 and 1,419,283,137.60 is: 2,127,434,434.75
Step by Step Solution
- Step 1: Write the proportion equation
4,218,286,265.28 : 6,323,000,124.96 = 1,419,283,137.60 : x - Step 2: Convert to fraction form
4,218,286,265.28/6,323,000,124.96 = 1,419,283,137.60/x - Step 3: Cross multiply
4,218,286,265.28x = 6,323,000,124.96 × 1,419,283,137.60 - Step 4: Simplify right side
4,218,286,265.28x = 8,974,127,456,398,419,968 - Step 5: Solve for x
x = 8,974,127,456,398,419,968/4,218,286,265.28 - Step 6: Final answer
x = 2,127,434,434.75
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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.