Finding the Fourth Proportional to 5,309,495,656.20, 7,973,313,410.70 and 3,477,370,523.40
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Solution
The fourth proportional to 5,309,495,656.20, 7,973,313,410.70 and 3,477,370,523.40 is: 5,221,995,990.49
Step by Step Solution
- Step 1: Write the proportion equation
5,309,495,656.20 : 7,973,313,410.70 = 3,477,370,523.40 : x - Step 2: Convert to fraction form
5,309,495,656.20/7,973,313,410.70 = 3,477,370,523.40/x - Step 3: Cross multiply
5,309,495,656.20x = 7,973,313,410.70 × 3,477,370,523.40 - Step 4: Simplify right side
5,309,495,656.20x = 27,726,165,028,198,096,896 - Step 5: Solve for x
x = 27,726,165,028,198,096,896/5,309,495,656.20 - Step 6: Final answer
x = 5,221,995,990.49
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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.