Finding the Fourth Proportional to 2,086,562,512.70, 3,129,843,769.05 and 1,119,103,696.70
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Solution
The fourth proportional to 2,086,562,512.70, 3,129,843,769.05 and 1,119,103,696.70 is: 1,678,655,545.05
Step by Step Solution
- Step 1: Write the proportion equation
2,086,562,512.70 : 3,129,843,769.05 = 1,119,103,696.70 : x - Step 2: Convert to fraction form
2,086,562,512.70/3,129,843,769.05 = 1,119,103,696.70/x - Step 3: Cross multiply
2,086,562,512.70x = 3,129,843,769.05 × 1,119,103,696.70 - Step 4: Simplify right side
2,086,562,512.70x = 3,502,619,732,037,316,608 - Step 5: Solve for x
x = 3,502,619,732,037,316,608/2,086,562,512.70 - Step 6: Final answer
x = 1,678,655,545.05
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1.5x scale
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.