Finding the Fourth Proportional to 559,324,380,591.12, 771,866,193,425.64 and 312,124,067,335.54
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Solution
The fourth proportional to 559,324,380,591.12, 771,866,193,425.64 and 312,124,067,335.54 is: 430,730,402,769.50
Step by Step Solution
- Step 1: Write the proportion equation
559,324,380,591.12 : 771,866,193,425.64 = 312,124,067,335.54 : x - Step 2: Convert to fraction form
559,324,380,591.12/771,866,193,425.64 = 312,124,067,335.54/x - Step 3: Cross multiply
559,324,380,591.12x = 771,866,193,425.64 × 312,124,067,335.54 - Step 4: Simplify right side
559,324,380,591.12x = 240,918,015,730,811,397,996,544 - Step 5: Solve for x
x = 240,918,015,730,811,397,996,544/559,324,380,591.12 - Step 6: Final answer
x = 430,730,402,769.50
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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.