Finding the Fourth Proportional to 7,558,334,469.20, 11,337,501,703.80 and 2,649,236,805.20
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Solution
The fourth proportional to 7,558,334,469.20, 11,337,501,703.80 and 2,649,236,805.20 is: 3,973,855,207.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,334,469.20 : 11,337,501,703.80 = 2,649,236,805.20 : x - Step 2: Convert to fraction form
7,558,334,469.20/11,337,501,703.80 = 2,649,236,805.20/x - Step 3: Cross multiply
7,558,334,469.20x = 11,337,501,703.80 × 2,649,236,805.20 - Step 4: Simplify right side
7,558,334,469.20x = 30,035,726,792,724,664,320 - Step 5: Solve for x
x = 30,035,726,792,724,664,320/7,558,334,469.20 - Step 6: Final answer
x = 3,973,855,207.80
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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.