Finding the Fourth Proportional to 2,086,562,492.70, 3,129,843,739.05 and 1,119,103,676.70
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Solution
The fourth proportional to 2,086,562,492.70, 3,129,843,739.05 and 1,119,103,676.70 is: 1,678,655,515.05
Step by Step Solution
- Step 1: Write the proportion equation
2,086,562,492.70 : 3,129,843,739.05 = 1,119,103,676.70 : x - Step 2: Convert to fraction form
2,086,562,492.70/3,129,843,739.05 = 1,119,103,676.70/x - Step 3: Cross multiply
2,086,562,492.70x = 3,129,843,739.05 × 1,119,103,676.70 - Step 4: Simplify right side
2,086,562,492.70x = 3,502,619,635,867,330,560 - Step 5: Solve for x
x = 3,502,619,635,867,330,560/2,086,562,492.70 - Step 6: Final answer
x = 1,678,655,515.05
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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.