Finding the Fourth Proportional to 1,044,102,866.75, 1,440,828,971.34 and 574,202,734.55
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Solution
The fourth proportional to 1,044,102,866.75, 1,440,828,971.34 and 574,202,734.55 is: 792,381,633.75
Step by Step Solution
- Step 1: Write the proportion equation
1,044,102,866.75 : 1,440,828,971.34 = 574,202,734.55 : x - Step 2: Convert to fraction form
1,044,102,866.75/1,440,828,971.34 = 574,202,734.55/x - Step 3: Cross multiply
1,044,102,866.75x = 1,440,828,971.34 × 574,202,734.55 - Step 4: Simplify right side
1,044,102,866.75x = 827,327,935,361,581,696 - Step 5: Solve for x
x = 827,327,935,361,581,696/1,044,102,866.75 - Step 6: Final answer
x = 792,381,633.75
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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.