Finding the Fourth Proportional to 1,974,964,478.92, 2,725,477,350.12 and 1,082,888,944.92
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Solution
The fourth proportional to 1,974,964,478.92, 2,725,477,350.12 and 1,082,888,944.92 is: 1,494,401,202.44
Step by Step Solution
- Step 1: Write the proportion equation
1,974,964,478.92 : 2,725,477,350.12 = 1,082,888,944.92 : x - Step 2: Convert to fraction form
1,974,964,478.92/2,725,477,350.12 = 1,082,888,944.92/x - Step 3: Cross multiply
1,974,964,478.92x = 2,725,477,350.12 × 1,082,888,944.92 - Step 4: Simplify right side
1,974,964,478.92x = 2,951,389,292,074,804,224 - Step 5: Solve for x
x = 2,951,389,292,074,804,224/1,974,964,478.92 - Step 6: Final answer
x = 1,494,401,202.44
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1.5x scale
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.