Finding the Fourth Proportional to 7,205,348,031.20, 10,814,993,908.92 and 3,477,263,844.80
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Solution
The fourth proportional to 7,205,348,031.20, 10,814,993,908.92 and 3,477,263,844.80 is: 5,219,260,351.95
Step by Step Solution
- Step 1: Write the proportion equation
7,205,348,031.20 : 10,814,993,908.92 = 3,477,263,844.80 : x - Step 2: Convert to fraction form
7,205,348,031.20/10,814,993,908.92 = 3,477,263,844.80/x - Step 3: Cross multiply
7,205,348,031.20x = 10,814,993,908.92 × 3,477,263,844.80 - Step 4: Simplify right side
7,205,348,031.20x = 37,606,587,301,219,745,792 - Step 5: Solve for x
x = 37,606,587,301,219,745,792/7,205,348,031.20 - Step 6: Final answer
x = 5,219,260,351.95
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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.