Finding the Fourth Proportional to 1,768,340,882.96, 2,440,318,005.20 and 964,585,896.17
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Solution
The fourth proportional to 1,768,340,882.96, 2,440,318,005.20 and 964,585,896.17 is: 1,331,132,675.08
Step by Step Solution
- Step 1: Write the proportion equation
1,768,340,882.96 : 2,440,318,005.20 = 964,585,896.17 : x - Step 2: Convert to fraction form
1,768,340,882.96/2,440,318,005.20 = 964,585,896.17/x - Step 3: Cross multiply
1,768,340,882.96x = 2,440,318,005.20 × 964,585,896.17 - Step 4: Simplify right side
1,768,340,882.96x = 2,353,896,329,986,906,624 - Step 5: Solve for x
x = 2,353,896,329,986,906,624/1,768,340,882.96 - Step 6: Final answer
x = 1,331,132,675.08
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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.