Finding the Fourth Proportional to 3,134,759,548.68, 4,702,148,992.86 and 773,920,778.76
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Solution
The fourth proportional to 3,134,759,548.68, 4,702,148,992.86 and 773,920,778.76 is: 1,160,883,555.47
Step by Step Solution
- Step 1: Write the proportion equation
3,134,759,548.68 : 4,702,148,992.86 = 773,920,778.76 : x - Step 2: Convert to fraction form
3,134,759,548.68/4,702,148,992.86 = 773,920,778.76/x - Step 3: Cross multiply
3,134,759,548.68x = 4,702,148,992.86 × 773,920,778.76 - Step 4: Simplify right side
3,134,759,548.68x = 3,639,090,810,399,760,384 - Step 5: Solve for x
x = 3,639,090,810,399,760,384/3,134,759,548.68 - Step 6: Final answer
x = 1,160,883,555.47
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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.