Finding the Fourth Proportional to 1,193,227,317,623.30, 1,646,654,358,885.30 and 644,518,619,734.26
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Solution
The fourth proportional to 1,193,227,317,623.30, 1,646,654,358,885.30 and 644,518,619,734.26 is: 889,436,052,035.82
Step by Step Solution
- Step 1: Write the proportion equation
1,193,227,317,623.30 : 1,646,654,358,885.30 = 644,518,619,734.26 : x - Step 2: Convert to fraction form
1,193,227,317,623.30/1,646,654,358,885.30 = 644,518,619,734.26/x - Step 3: Cross multiply
1,193,227,317,623.30x = 1,646,654,358,885.30 × 644,518,619,734.26 - Step 4: Simplify right side
1,193,227,317,623.30x = 1,061,299,394,568,156,386,164,736 - Step 5: Solve for x
x = 1,061,299,394,568,156,386,164,736/1,193,227,317,623.30 - Step 6: Final answer
x = 889,436,052,035.82
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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.