Finding the Fourth Proportional to 3,071,386,615.28, 4,241,440,825.62 and 2,904,059,431.18
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Solution
The fourth proportional to 3,071,386,615.28, 4,241,440,825.62 and 2,904,059,431.18 is: 4,010,369,834.31
Step by Step Solution
- Step 1: Write the proportion equation
3,071,386,615.28 : 4,241,440,825.62 = 2,904,059,431.18 : x - Step 2: Convert to fraction form
3,071,386,615.28/4,241,440,825.62 = 2,904,059,431.18/x - Step 3: Cross multiply
3,071,386,615.28x = 4,241,440,825.62 × 2,904,059,431.18 - Step 4: Simplify right side
3,071,386,615.28x = 12,317,396,231,433,646,080 - Step 5: Solve for x
x = 12,317,396,231,433,646,080/3,071,386,615.28 - Step 6: Final answer
x = 4,010,369,834.31
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1.5x scale
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.